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help! trojan [probably] virus attacking computer system processes

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#1 vinralfakyn


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Posted 06 August 2012 - 10:24 AM

i suspect the cause was a trojan infection by an external drive inserted by my schoolmate earlier this afternoon, of which i was not with her at the time of her logon.. she didnt scan the device because i think she was on a hurry, leaving my computer vulnerable to autoruns.. she put my computer to hibernate, and when i opened it, the browser was open [i opened it before the infection or her logon, which was left open because my laptop ran out of battery and had to hibernate, which was then followed by her logon] on the side was my kaspersky AV dialog prompt waiting for user but was ignored, and another AV dialog stating that the system needs advanced disinfection due to an autorun.gen virus accessed by windows host service.. so i chose disinfect..

for a while i thought all was going well.. but after i closed my browser, and reopened it, it stated "Google Chrome is not a valid win32 application".. i opened task manager and same response.. but all the while, the AV disinfected the system which in the end found nothing [probably because the drive was already ejected].. when i tried to find my virus removal tools, the system shut down with a dialog box saying error codes at some parameters.. and then lastly it said bad image with some error codes.. there was no blue screen message or black screen, just a dialog box with error codes.. i force shutdown the computer and initialized it in safe mode..

the logon was ok, so i started malwarebytes and did a full system scan.. while the scan was running, the computer even at safe mode crashed and cant be turned down for about 25 seconds.. then i initialized it again in safe mode, and started my aswMBR and OTL, where i deleted a system file out of frustration.. i dunno what are the two system files for, but i knew that it was modified at the time of the infection.,. i started TDSS iller and found nothing.. i started my antivirus, kaspersky AV and did a full system scan, then the computer crashed again..

i finally decided to turn on the computer in normal mode, of which it went ok, but it asked for a windows key.. as far as i know, my OS has a key license already.. my desktop bg was gone and the fonts of the desktop were changed.. but i think the applications are back to normal, chrome can be accessed again.. however im worried that the infection is starting..

how am i gonna cure my system? im a information technology sophomore, and my laptop is very crucial to my studies.. ur advice is very important.. thank you..

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#2 HelpBot


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Posted 11 August 2012 - 10:25 AM

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#3 HelpBot


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Posted 16 August 2012 - 10:30 AM

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