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  1. Brian12

    Malware Removal Guide

    "This guide will help you remove malicious software from your computer. If you think your computer might be infected with a virus or trojan, you may want to use this guide. It provides step-by-step instructions on how to remove malware from Windows operating system. It highlights free malware removal tools and resources that are necessary to clean your computer. You will quickly learn how to remove a virus, a rootkit, spyware, and other malware." Guide: http://www.selectrealsecurity.com/malware-removal-guide I'll be posting updates. :)
  2. CryptoLocker: A particularly pernicious virus By Susan Bradley Online attackers are using encryption to lock up our files and demand a ransom — and AV software probably won't protect you. Here are ways to defend yourself from CryptoLocker — pass this information along to friends, family, and business associates. Forgive me if I sound a bit like those bogus virus warnings proclaiming, "You have the worst virus ever!!" But there's a new threat to our data that we need to take seriously. It's already hit many consumers and small businesses. Called CryptoLocker, this infection shows up in two ways. First, you see a red banner (see Figure 1) on your computer system, warning that your files are now encrypted — and if you send money to a given email address, access to your files will be restored to you. Figure 1. CryptoLocker is not making idle threats. The other sign you've been hit: you can no longer open Office files, database files, and most other common documents on your system. When you try to do so, you get another warning, such as "Excel cannot open the file [filename] because the file format or file extension is not valid," as stated on a TechNet MS Excel Support Team blog. As noted in a Reddit comment, CryptoLocker goes after dozens of file types such as .doc, .xls, .ppt, .pst, .dwg, .rtf, .dbf, .psd, .raw, and .pdf. CryptoLocker attacks typically come in three ways: 1) Via an email attachment. For example, you receive an email from a shipping company you do business with. Attached to the email is a .zip file. Opening the attachment launches a virus that finds and encrypts all files you have access to — including those located on any attached drives or mapped network drives. 2) You browse a malicious website that exploits vulnerabilities in an out-of-date version of Java. 3) Most recently, you're tricked into downloading a malicious video driver or codec file. There are no patches to undo CryptoLocker and, as yet, there's no clean-up tool — the only sure way to get your files back is to restore them from a backup. Some users have paid the ransom and, surprisingly, were given the keys to their data. (Not completely surprising; returning encrypted files to their owners might encourage others to pay the ransom.) This is, obviously, a risky option. But if it's the only way you might get your data restored, use a prepaid debit card — not your personal credit card. You don't want to add the insult of identity theft to the injury of data loss. In this case, your best defense is prevention Keep in mind that antivirus software probably won't prevent a CryptoLocker infection. In every case I'm aware of, the PC owner had an up-to-date AV application installed. Moreover, running Windows without admin rights does not stop or limit this virus. It uses social engineering techniques — and a good bit of fear, uncertainty, and doubt — to trick users into clicking a malicious download or opening a bogus attachment. Your best prevention is two-fold: 1) Basic method: Ensure you keep complete and recent backups of your system. Making an image backup once or twice a year isn't much protection. Given the size of today's hard drives on standalone PCs, an external USB hard drive is still your best backup option. A 1TB drive is relatively cheap; you can get 3TB drives for under U.S. $200. For multiple PCs on a single local-area network, consider Michael Lasky's recommendations in the Oct. 10 Best Hardware article, "External hard drives take on cloud storage." Small businesses with networked PCs should have automated workstation backups enabled, in addition to server backups. At my office, I use Backup Box by Gramps' Windows Storage Server 2008 R2 Essentials (site). It lets me join the backup server to my office domain and back up all workstations. I run the backups during the day, while others in the office are using their machines — and I've had no complaints of noticeable drops in workstation performance. The upcoming release of Windows Server 2012 R2 Essentials (site) will also include easy-to-use, workstation-backup capabilities. Recently announced Western Digital drives will also act as both file-storage servers and workstation-backup devices. Source
  3. Okay so it all started like this... I was browsing around pastebin.com and checking out all the newest "untitled" posts. Here I came upon a rather interesting one with the link to a file named "keygen.exe" Knowing me, I downloaded the file, because most uploaders link to a text paste after having someone fill out a survey. So I decided to grab this new unknown keygen in hopes of it being a breakthrough and post it on nsane. EDIT: Here's a copy of the file that I downloaded- http://www.mirrorcreator.com/files/WQYKGMIJ/Keygen.rar_links My stupidity didn't occur to me at the time so I downloaded it and just double clicked, without shadow defending my HDD and sandboxing in Comodo's Virtual OS. The file opened and did not present a GUI. So I opened task manager and terminated "keygen.exe" Thinking I had fixed the problem I thought I was uninfected. Lo and behold, later while disabling startup programs, I found keygen.exe with the same cheat engine icon in my startup folder. Having rebooted a few times already I knew for sure that I had been infected. Today while randomly monitoring my active connections wondering why my internet was moving slowly and ping times were so high, I came across this screenshot: Right there, an unknown app was using HTTP_C to connect to 154.53.224.2.. A whois lookup on that IP revealed the following: SO now I know that I have a virus that's breaking my internet connection and using my bandwidth to do something else. Now this is frightening because my internet is at 100Mbs (11 MB a second download and upload) Someone is Africa is laughing their ass off at me because I fell for that trap. Now how do I start to remove this thing? I'm running Windows 7 Home Premium x64.
  4. TDSSKillerPortable_x .x_English_o nline.paf.exe PortableApps.comFormatMakes application portableMakes application stealthDependencies: Administrative PrivilegesUNC: YesCompatible: WinAllCRC: 70AD6C73Size: 253 KB (259,642 bytes)Note: when an update is released, simply re-run installer to update. Why post an app. that's already posted by PortableApps.com? Because their version is faulty, leaves trash behind in the registry & file system.
  5. Hello everyone, Can someone help me with the AGHO Ransomware virus ? All my files are now encrypted. Is there any solution to recover my personal files ? Thank you.
  6. Viruses are the IKEA furniture of the living world. In the right kind of cell, a handful of instructions and a few molecular tools can churn out multitudes of infectious Billy bookcases. No DIY builder wants to travel all over town to gather materials - theoretically, germs shouldn't be any different. Yet a new discovery suggests at least one category of virus can still pull itself together even if its instructions are split up into separate cells. A team of researchers from the Université de Montpellier in France recently conducted an experiment on a group of viruses with genomes made up of more than one distinct section. What they found contradicted some pretty fundamental assumptions about how viruses reproduce. To understand the weirdness of their discovery, we first need to back up a little to refresh the basics of virus construction. A typical virus is comprised of little more than nucleic acid inside a protective container. Once smuggled inside a living cell, that nucleic acid sequence is either inserted into the host's own genetic library or used to coerce the cell's molecular assembly line into hammering together fresh copies of the virus. Nearly all viruses encode their genetic blueprints on a length of single- or double-stranded nucleic acid. But some single-stranded DNA viruses described as 'multipartite' spread that code across multiple segments, each transmitted in a separate protein box. It's like printing an IKEA manual on loose pages, and then forcing you to wait until an inept postal service delivers the full set of instructions. Sure, some people might be lucky enough to receive the full set, but it's hardly a good business model. So it seems that by delivering their own pages of genetic instructions this way, multipartite viruses seem to be going about reproduction the hard way. Which prompts questions on why such a bizarre method of reproduction even persists. But we can't really dismiss them - a variety of these serialised pathogens infect plants and fungi. Only a couple of years ago, one was found infecting animals for the first time. They're hardly doomed to extinction. "The chances of a multipartite virus losing an essential genome segment during transmission are estimated to be so high, its ability to successfully cause an infection has been a long-standing mystery," says plant pathologist Anne Sicard. Something in our understanding about how viruses reproduce has to give. Either complete sets of instructions are finding their way into single cells after all, or something unique is going on. To dig deeper, the team used a faba bean necrotic stunt virus (FBNSV), a pathogen of peas and beans which is made up of eight viral 'chromosome' packages. Fluorescent probes were then used to locate the end delivery points of distinct sections of the genome inside infected faba bean plants. By using different colours of probe and testing for combinations of separated segments, the team were able to verify it was extremely unlikely for a full complement of genetic segments to randomly end up inside any one cell. Yet that didn't seem to be preventing segments from being copied. This was true even for segments that weren't integral to the virus's most basic functions, such as replication, encapsidation, and movement within the host. "Altogether, we have shown that distinct segments of a virus's genome are not necessarily together within individual host cells, and that accumulation of one genome segment in a cell is entirely independent of accumulation of the others," says virologist Stéphane Blanc. The implications of the find suggest the products of one set of genetic instructions can have far-reaching influences, helping activate segments in other cells. The researchers found evidence for this hypothesis when they looked for the molecule encoded by the genome segment responsible for replication. While fewer than half of the plant's cells contained copies of this replication segment, nearly 85 percent of its cells contained its product. Strangely, this entire process more closely resembles the workings of a multicellular organism, with separate cells being forced to take on individualised tasks in the construction of a single virus. "It is conceivable that this 'multicellular' way of life could be adopted in numerous viral systems and opens up an entirely new research horizon in virology," says Blanc. This research was published in eLife. source
  7. A SARS-like virus that has spread across China and reached three other Asian nations is contagious between humans, a government expert said Monday, and the World Health Organization announced that a key emergency committee would meet this week to discuss the infections. The new coronavirus strain, first discovered in the central city of Wuhan, has caused alarm because of its connection to Severe Acute Respiratory Syndrome (SARS), which killed nearly 650 people across mainland China and Hong Kong in 2002-2003. The total number of people diagnosed with the new virus has risen to 218. Beijing and Shanghai confirmed their first cases on Monday while more than a dozen more emerged in southern Guangdong province and 136 new ones were found over the weekend in Wuhan, according to state broadcaster CCTV. A third person died in Wuhan, the local health commission said. Scientists have scrambled to determine the mode of transmission, with a seafood market in Wuhan believed to be the centre of the outbreak. But Zhong Nanshan, a renowned scientist at the National Health Commission who helped expose the scale of the SARS outbreak, said patients could contract the new virus without having visited the city. "Currently, it can be said it is affirmative that there is the phenomenon of human-to-human transmission," he said in an interview with CCTV. In Guangdong, two patients were infected by family members who visited Wuhan, Zhong explained. Fourteen medical personnel helping with coronavirus patients have also been infected, he said, though he added that more than 95 of the total cases were related to Wuhan. Zhong predicted an increase of viral pneumonia cases during the Lunar New Year holiday - when millions travel in China - but expressed confidence in curbing the spread of the virus, China's official Xinhua news agency reported. The World Health Organization panel will meet in Geneva on Wednesday to determine whether to declare the outbreak "a public health emergency of international concern" - a rare designation only used for the gravest epidemics. WHO said earlier that an animal source seemed to be "the most likely primary source" with "some limited human-to-human transmission occurring between close contacts." Wuhan has 11 million inhabitants and serves as a major transport hub, including during the annual Lunar New Year holiday, which begins later this week and sees hundreds of millions of Chinese people travel across the country to visit family. Weighing in on the matter for the first time, President Xi Jinping said Monday that safeguarding people's lives should be given "top priority" and that the spread of the epidemic "should be resolutely contained," according to CCTV. Xi said it was necessary to "release information on the epidemic in a timely manner and deepen international cooperation," and ensure people have a "stable and peaceful Spring Festival," the broadcaster said. Five cases were reported in Beijing, while in Shanghai a 56-year-old woman who had come from Wuhan was hospitalised and in stable condition, local health authorities said. South Korea on Monday also reported its first case - a 35-year-old woman who flew in from Wuhan. Thailand and Japan have previously confirmed a total of three cases - all of whom had visited the Chinese city. There are also six suspected cases in Shanghai and in four provinces and regions in the east, south and southwest of the country. The virus did not slow down the annual holiday travel rush, though some travellers wore masks at crowded railway stations in Beijing and Shanghai. "Watching the news, I do feel a little worried. But I haven't taken precautionary measures beyond wearing regular masks," said Li Yang, a 28-year-old account manager who was heading home to the northern region of Inner Mongolia for the Lunar New Year. Detection measures The WHO said the new cases in China were the result of "increased searching and testing for (the virus) among people sick with respiratory illness." Scientists with the MRC Centre for Global Infectious Disease Analysis at Imperial College in London warned in a paper published Friday that the number of cases in Wuhan was likely to be closer to 1,700, much higher than the official figure. Wuhan authorities said they have installed infrared thermometers at airports and railway and coach stations across the city. Passengers with fever were being registered, given masks and taken to medical institutions. State TV footage showed medical staff working inside an isolation ward at a Wuhan hospital in hazmat suits. In Hong Kong, health officials said they were expanding enhanced checks on arrivals to include anyone coming in from Hubei province, not just its capital Wuhan. More than 100 people are being monitored in the city. Passengers are also being screened at some airports in Thailand and the United States. In Wuhan, 170 people are still being treated at hospital, including nine in critical condition, the city's health commission said. source
  8. Never-before-seen virus may be behind mystery outbreak in China Investigators have already ruled out SARS and other obvious culprits, officials say. Enlarge / Colored image of coronaviruses made from a transmission electron microscopy. Getty | BSIP A mysterious outbreak of viral pneumonia linked to a wild-animal market in the Chinese city of Wuhan may be caused by a never-before-seen virus, according to preliminary reports. Officials in neighboring areas, meanwhile, are screening travelers for symptoms and planning quarantine zones to try to prevent any potential spread of the mystery disease. As of Sunday, January 5, Wuhan Municipal Health Commission reported a total of 59 cases, including seven critically ill patients. There have been no reported deaths. Those sickened are being held in isolation in medical facilities in Wuhan. Their main symptom is fever, according to the World Health Organization. But some patients have also experienced trouble breathing, and chest X-rays have shown invasive lesions in both lungs. Though Wuhan health officials are closely monitoring 163 people who had close contact with those sickened, there's no evidence so far that the illness is spreading from person-to-person. No medical staff members have become ill in the outbreak, either. Those are both promising signs for containing the outbreak and stamping out the disease. Wuhan officials report that the outbreak erupted in the latter half of December. Among the cases identified so far, the earliest onset of symptoms was pinned to December 12 and the latest illness began December 29. Survey data collected during that window indicated that some patients with the mysterious pneumonia were working at the Wuhan South China Seafood City. The market sold seafood, but also chickens, bats, marmots, and other wild animals. According to The Washington Post, it was a 1,000-booth bazaar that state media reports labeled as "filthy and messy." Officials shut down the market on January 1 and reported that it has been thoroughly sanitized. Shadow of SARS Such markets are notorious for helping spawn and spread disease. They often cram humans together with a variety of live animals, which may tote their own menageries of pathogens. Such close quarters, meat preparation, and poor hygienic conditions in the markets offer viruses an inordinate number of opportunities to recombine with each other, mutate, and leap to new species, including humans. After the 2003 SARS outbreak, for instance, SARS-like viruses were found in masked palm civets and raccoon dogs sold for food in live-animal street markets in southern China, where the virus first emerged. Later, researchers also found the viruses circulating in China's horseshoe bat populations. The outbreak of SARS (Severe Acute Respiratory Syndrome) in humans sparked panic as it spread to more than two dozen countries. It ultimately sickened over 8,000 people worldwide, killing 774. Determined to keep such an outbreak from spreading like that again, regions near Wuhan are stepping up precautions amid the mystery illnesses. Hong Kong, for instance, has granted authorities quarantine powers for suspected cases, and residents there are stocking up on protective face masks and gowns. Thailand is screening airline passengers arriving from Wuhan, and authorities in Vietnam are tightening health checks at border gates. Meanwhile, experts in Wuhan are working to figure out exactly what is causing the outbreak. Officials on Sunday said that "respiratory pathogens such as influenza, avian influenza, adenovirus, infectious atypical pneumonia (SARS), and the Middle East Respiratory Syndrome (MERS) have been excluded. Pathogen identification and cause tracing are still underway." Virus más fina This morning, January 8, The Wall Street Journal reported that Chinese scientists had identified a novel coronavirus in samples taken from one patient. The virus subsequently matched samples taken from some—but not all—other cases. The report was based on unnamed sources said to be familiar with the health investigation. Coronaviruses are a species of virus named for the halo-like (corona) appearance they have under a microscope. Species members are known to cause common, mild-to-moderate respiratory infections in humans as well as rare, severe infections. SARS and MERS are both caused by coronaviruses. The species also causes respiratory, gastrointestinal, liver, and neurologic disease in animals, such as cats, dogs, mice, and birds, according to the Centers for Disease Control and Prevention. According to the WSJ, the coronavirus found during the current outbreak was similar to SARS-precursor viruses found in bats. But the report notes that Wuhan investigators haven't concluded that the novel virus is behind the outbreak. Regardless of the cause, health experts in China are optimistic that the outbreak will be contained and that response efforts will be better than they were during the SARS outbreak. Xu Jianguo, a former top Chinese public health official, noted to The Washington Post in a report today, "More than a decade has passed. It's impossible for something like SARS to happen again." Source: Never-before-seen virus may be behind mystery outbreak in China (Ars Technica)
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