Virus infected my computer, it won't allow the installation/run of any programs?
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Here's the deeper explanation of a recent problem that came up relating to a virus/trojan horse/malware/something on my laptop. For the past few weeks my laptop would not come out of sleep mode. I would turn it back on, the power light would indicate that it booted up, but the screen, hard drive, etc. were all dead. So I had to force reboot it and it would be fine. It also would randomly come on inside my bag, but I'm not too sure that it was a result of this. Today I tried to turn it on from a cold boot, and it would not work, just the same as when attempting to boot from sleep mode. Other than this, the computer ran fine. I decided to run a virus scan on the laptop, just to see if that was the problem. Avast found 4 instances, three of which I believe were trojan horses and another I do not recall. I deleted three of them, and the fourth had gone missing before it could be removed. I scheduled and ran a boot time scan, which is what really activated this thing. It found two false positives, which I also removed. When it finished booting after the scan no programs would open at all. I figured it was an error so I tried to reboot the device. It wouldn't boot without a recovery disk to kick it on. Once I was back into the desktop mode I found that no program beyond calculator or paint would open, and the "windows update" was also disabled. Everything else seemed to function, for what it's worth. I spent a lot of time trying to get rid of the virus, but given that nothing could be run or installed, even a portable app, I was out of luck. Safe mode had no affect either. So I booted into my Ubuntu side, which ran smoothly. I scanned for the virus using clamAV, which found nothing. I copied the entire hard drive onto my external drive to backup, which probably has the virus somewhere in it, so should I be worried about that? The main problem of course is that the computer really can't run anything, and after about 10 minutes or so it just shows a really glitched screen, like when you would drag a window around too fast on an old computer, and cease to function without rebooting. I'm worried about turning it on too many times more without a reasonable plan. Worst case scenario I can format the computer, but would appreciate being able to back up a few things like document newly installed programs or make a backup of my email, which requires turning on MS Outlook. This can't really be accomplished as a result of the virus, and that still leaves the question of it being on my external drive without it being able to be detected. Do you have any suggestions on how to remove the virus? An idea was mentioned about scanning it with another computer connected to the same firewall, but I have no idea how to do this. I'm going to try to run Malwarebytes again in Wine through Ubuntu, but didn't have any luck last time. Help?
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Answer:
Of course you should be worried about the fact that you backed up a virus. The only way you can be sure that the virus is removed is to reformat.
Luke at Yahoo! Answers Visit the source
Other answers
I spend much time helping people with malware problems, mostly on YouTube as I've only just joined this site, but from your description...I'm not sure what to think. If you're able to get online, try downloading TDSSKiller.exe from Kaspersky Lab. It hunts down and kills a specific family of rootkits. It's tiny, and takes just a minute to scan, but it may help. Here's a link: http://support.kaspersky.com/faq/?qid=208280684 Hope this helps.
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