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SMTP Trojan uses SVCHOST on W2K Pro

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SMTP Trojan uses SVCHOST on W2K Pro GavTel in BC.CA 11-04-2008
Posted by GavTel in BC.CA on November 4, 2008, 1:23 pm
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Have SMTP Trojan embedded that uses svchost PID 560 or 432 opens ports UDP
3001, TCP 3002,3,4 and attaches either to RpcSs or Services and evades all
Rootkit finders and Virus scanners. Shows up in Process Explorer and Open
ports scanner. Have ripped registry apart looking for clues. Starts by
downloading on port 443 from 195.190.13.198 writes to readable area in
HKLM\Software that has key a5 and contains code. destroy it and it is
replaced. Also writes to software hive and software.bak.tmp . Malicious Tools
scans clean, as do all Spyware scanners. McAfee no help either. Sysinternals
shows it all happen using registered Microsoft components. This thing is in
the registry and can be stopped....

I just want to find how this was done as I've tried everything

Posted by Leythos on November 4, 2008, 2:41 pm
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GavTelinBCCA@discussions.microsoft.com says...
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Have you tried these two antimalware tools?

These sites are for downloading Anti-Malware and Anti-Spyware tools, in
order that I would use them myself:

Dave Lipman's tools:
Download MULTI_AV.EXE from the URL --
(this is a non-english site, but it's a great tool)
http://www.pctipp.ch/downloads/dl/35905.asp

MalwareBytes Anti-Malware
From http://www.bleepingcomputer.com/
http://download.bleepingcomputer.com/malwarebytes/mbam-setup.exe

--
- Igitur qui desiderat pacem, praeparet bellum.
- Calling an illegal alien an "undocumented worker" is like calling a
drug dealer an "unlicensed pharmacist"
spam999free@rrohio.com (remove 999 for proper email address)

Posted by David H. Lipman on November 4, 2008, 4:08 pm
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| Have SMTP Trojan embedded that uses svchost PID 560 or 432 opens ports UDP
| 3001, TCP 3002,3,4 and attaches either to RpcSs or Services and evades all
| Rootkit finders and Virus scanners. Shows up in Process Explorer and Open
| ports scanner. Have ripped registry apart looking for clues. Starts by
| downloading on port 443 from 195.190.13.198 writes to readable area in
| HKLM\Software that has key a5 and contains code. destroy it and it is
| replaced. Also writes to software hive and software.bak.tmp . Malicious Tools
| scans clean, as do all Spyware scanners. McAfee no help either. Sysinternals
| shows it all happen using registered Microsoft components. This thing is in
| the registry and can be stopped....

| I just want to find how this was done as I've tried everything

I'm sorry but even with all you posted, your post is still vague at best.

You said... "...evades all Rootkit finders and Virus scanners"
Please indicate exactly what software you used.

--
Dave
http://www.claymania.com/removal-trojan-adware.html
Multi-AV - http://www.pctipp.ch/downloads/dl/35905.asp



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