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Possible Virus/Adware?


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#1 Blurryness

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Posted 09 October 2010 - 12:46 PM

Yesterday night I was on MSN and I had received one of those "is this your pic" virus links. I knew from previous experience on another computer that this was no good. While picking to a new window, I stupidly clicked it by accident causing my internet windows to fill up with the same link and a download thing to popup. I immediately plugged out the computer and when I turned it on again, nothing seemed wrong. (I should add that at the time I had no antivirus but according to friends I was not sending the link to anyone else.) Being worried, I downloaded Sophos antivirus and scanned my computer and it ended up quarantining a file called 'PsKill.exe'. When I turned on the computer this morning, a message came up saying "could not execute the external program pskill.exe" and I rechecked my quarantine to see that the file was still there and used my clean up option on it. Was it a virus? Am I infected with something? Or am I just worrying too much?

Here is where the File is located:

C://WINDOWS/system32/pskill.exe

Edited by Blurryness, 09 October 2010 - 01:07 PM.


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#2 quietman7

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Posted 09 October 2010 - 04:56 PM

PsKill is a command-line utility from Sysinternals used to silently terminate processes.

Certain embedded files that are part of legitimate programs may at times be detected by some anti-virus and anti-malware scanners as a "Risk Tool", "Hacking Tool", "Potentially Unwanted Program", or even "Malware" (virus/trojan) when that is not the case. This occurs for a variety of reasons to include the tool's compiler, the files it uses, what behavior it performs, any registry strings it may contain and the type of security engine that was used during the scan.

Such programs have legitimate uses in contexts where an authorized user or administrator has knowingly installed it. When flagged by an anti-virus or security scanner, it's because the program includes features, behavior or files that appear suspicious or which can potentially be used for malicious purposes. These detections do not necessarily mean the file is malware or a bad program. It means it has the potential for being misused by others or that it was simply detected as suspicious or a threat due to the security program's heuristic analysis engine which provides the ability to detect possible new variants of malware. Anti-virus scanners cannot distinguish between "good" and "malicious" use of such programs, therefore they may alert you or even automatically remove them.

Edited by quietman7, 09 October 2010 - 04:58 PM.

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