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Need help. Trojan Horse Downloader.Crypter.C only AVG finds

 
Post new topic   This topic is locked you cannot edit posts or make replies       All -> FavForums -> Grisoft AVG [del.icio.us!] [digg it!] [reddit!]
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Rad2

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Joined: Jul 14, 2004
Posts: 1
Location: Australia
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PostPosted: Wed Jul 14, 2004 5:50 am    Post subject: Need help. Trojan Horse Downloader.Crypter.C only AVG finds
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Hi gang, first off I'm not to savy on computer lingo so please explain correct procedure thanks in 3 year old language Smile

Problem: I have AVG telling me every 10 minutes another virus found and its this same one all the time with a different number associated to it.

wnk80.exe each time it will be a different number 8, 8c,90 etc.exe
Avg says its a TrojanHorse Downloader.Crypter.C

Now I don't have the faintest idea to get rid of this, I have the pro version of AVG, I have paid version of XoftSpy plus Spybot and Stinger but not one of these can get rid of this thing it just keeps re-appearing.

Please help me here people, and explain in layman terms the best way to get rid of it.
All help much appreciated.

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Donna

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Joined: Apr 12, 2004
Posts: 2508
Location: Macau
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PostPosted: Sun Aug 08, 2004 3:25 pm    Post subject:
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Hi Rad2,

Not sure if you still need help but in case you need....

First, you should get rid of XoftSpy. It is not recommended to use. See http://www.spywarewarrior.com/rogue_anti-spyware.htm

Before removing the trojan, it is recommended to disable System Restore if you are using Windows ME or XP.

Next, empty your temporary internet files. Go to Start>Run then type %temp% then hit OK. Delete all the files in that folder then close it.

Next, open Task Manager>Processes tab. Look for wnk80.exe (or whatever random number that it is using). End the task of this wnk80.exe. Close Task Manager.

Now, run a full system scan using AVG. Either delete what it detected or put to AVG vault.

If AVG still can't get rid of it. You have other options:

Either remove it manually:

At the taskbar, click Start|Run. Type 'Regedit' and press Return. The registry editor opens.

Before you edit the registry, you should make a backup. On the 'Registry' menu, click 'Export Registry File'. In the 'Export range' panel, click 'All', then save your registry as Backup.

Locate the HKEY_LOCAL_MACHINE entry:

HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices

and remove any reference to any file you deleted.

Close the registry editor.

Editing Win.ini

At the taskbar, click Start|Run and type Sysedit. Bring Win.ini to the front. In the [windows] section, search for a line beginning with 'Run=' and delete any references to the files you removed. Delete only that reference, not any other text.

Reboot your computer.

See http://www.sophos.com/virusinfo/analyses/trojcrypterc.html

Or run an online scan using Housecall - http://housecall.antivirus.com/housecall/start_corp.asp


_______________________________________
NOTE FROM FORUM HOSTS: This thread is now closed. Should you need it reopened, please PM a Host/mod. Everyone else having a similar issue, please launch a new topic for yourselves. Thank you.



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It is common sense to take a method and try it; if it fails, admit it frankly and try another. But above all, try something. --Franklin D. Roosevelt
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