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trojan and SVCHOST.exe

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trojan and SVCHOST.exe

Unread postby Raffuhl » May 21st, 2010, 3:16 pm


Here's a description of my problem:

There's a program active on my PC (Windows 7 Ultimate, running AVG Internet Security for both the firewall and antivirus) that creates new folders in the c:\windows\temp directory containing 'fake' svchost.exe files that try to make a connection to an external IP to download more trojans to my PC. AVG's shield notices this and blocks it, but cannot remove it, since it only knows the origin of the svchost.exe file and not the program that creates the new folders.

There is a single infected svchost.exe process running at any given time, but when you end it is when the program creates a new folder and a new svchost.exe file. I'm able to notice whether it's running by looking at the svchost.exe process that uses an excessive amount of memory (28Mb+) it also causes ping to spike sometimes.

I've tried pretty much every spyware/malware removal program I've heard about, but no luck as of yet. This includes:

- Hitman Pro
- Avast!
- NOD32
- Kaspersky Online Scanner
- Ccleaner
- SuperAntispyware
- Spybot Search & Destroy

Here are the logs:

Logfile of Trend Micro HijackThis v2.0.4
Scan saved at 21:05:10, on 21-5-2010
Platform: Windows 7 (WinNT 6.00.3504)
MSIE: Internet Explorer v8.00 (8.00.7600.16385)
Boot mode: Normal

Running processes:
C:\Program Files\Alwil Software\Avast5\AvastUI.exe
C:\Program Files\TomTom HOME 2\TomTomHOMERunner.exe
C:\Program Files\Spybot - Search & Destroy\TeaTimer.exe
C:\Program Files\SUPERAntiSpyware\SUPERAntiSpyware.exe
C:\Program Files\AVG\AVG9\avgtray.exe
C:\Program Files\AVG\AVG9\Identity Protection\agent\bin\avgidsmonitor.exe
C:\Program Files\NewsLeecher\newsLeecher.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Trend Micro\HiJackThis\HiJackThis.exe

R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
O4 - HKLM\..\Run: [avast5] "C:\Program Files\Alwil Software\Avast5\avastUI.exe" /nogui
O4 - HKCU\..\Run: [uTorrent] "C:\Program Files\uTorrent\uTorrent.exe"
O4 - HKCU\..\Run: [TomTomHOME.exe] "C:\Program Files\TomTom HOME 2\TomTomHOMERunner.exe"
O4 - HKCU\..\Run: [SpybotSD TeaTimer] C:\Program Files\Spybot - Search & Destroy\TeaTimer.exe
O4 - HKCU\..\Run: [SUPERAntiSpyware] C:\Program Files\SUPERAntiSpyware\SUPERAntiSpyware.exe
O20 - Winlogon Notify: !SASWinLogon - C:\Program Files\SUPERAntiSpyware\SASWINLO.dll
O23 - Service: AMD External Events Utility - AMD - C:\Windows\system32\atiesrxx.exe
O23 - Service: AVG E-mail Scanner (avg9emc) - AVG Technologies CZ, s.r.o. - C:\Program Files\AVG\AVG9\avgemc.exe
O23 - Service: AVG WatchDog (avg9wd) - AVG Technologies CZ, s.r.o. - C:\Program Files\AVG\AVG9\avgwdsvc.exe
O23 - Service: AVG Firewall (avgfws9) - AVG Technologies CZ, s.r.o. - C:\Program Files\AVG\AVG9\avgfws9.exe
O23 - Service: AVG9IDSAgent (AVGIDSAgent) - AVG Technologies CZ, s.r.o. - C:\Program Files\AVG\AVG9\Identity Protection\Agent\Bin\AVGIDSAgent.exe
O23 - Service: Dragon Age: Origins - Content Updater (DAUpdaterSvc) - BioWare - G:\Program Files\Dragon Age\bin_ship\DAUpdaterSvc.Service.exe
O23 - Service: HASP License Manager (hasplms) - Aladdin Knowledge Systems Ltd. - C:\Windows\system32\hasplms.exe
O23 - Service: SBSD Security Center Service (SBSDWSCService) - Safer Networking Ltd. - C:\Program Files\Spybot - Search & Destroy\SDWinSec.exe

End of file - 2667 bytes

Uninstall list:

Adobe Anchor Service CS4
Adobe Bridge CS4
Adobe CMaps CS4
Adobe Color - Photoshop Specific CS4
Adobe Color EU Extra Settings CS4
Adobe Color JA Extra Settings CS4
Adobe Color NA Recommended Settings CS4
Adobe Color Video Profiles CS CS4
Adobe CSI CS4
Adobe Default Language CS4
Adobe ExtendScript Toolkit CS4
Adobe Extension Manager CS4
Adobe Flash Player 10 ActiveX
Adobe Flash Player 10 Plugin
Adobe Fonts All
Adobe Illustrator CS4
Adobe Linguistics CS4
Adobe Output Module
Adobe PDF Library Files CS4
Adobe Photoshop CS4
Adobe Photoshop CS4
Adobe Photoshop CS4 Support
Adobe Reader 8.1.0
Adobe Search for Help
Adobe Service Manager Extension
Adobe Setup
Adobe Setup
Adobe Type Support CS4
Adobe Update Manager CS4
Adobe WinSoft Linguistics Plugin
Adobe XMP Panels CS4
AMD Drag and Drop Transcoding
Apple Application Support
Apple Software Update
Assassin's Creed II
Atheros Communications Inc.(R) AR8121/AR8113/AR8114 Gigabit/Fast Ethernet Driver
ATI Catalyst Install Manager
avast! Internet Security
AVG 9.0
Battlefield: Bad Company 2
Battlefield: Bad Company™ 2
Call of Duty: Modern Warfare 2
Catalyst Control Center - Branding
Dragon Age: Origins
ESET Online Scanner v3
Hitman Pro 3.5
Launchpad Enhanced
Left 4 Dead 2 Demo
Logitech Harmony Remote Software 7
Malwarebytes' Anti-Malware
MediaInfo 0.7.30
Microsoft Games for Windows - LIVE
Microsoft Games for Windows - LIVE Redistributable
Microsoft Visual C++ 2005 Redistributable
Microsoft Visual C++ 2005 Redistributable
Microsoft Visual C++ 2008 Redistributable - x86 9.0.21022
Microsoft Visual C++ 2008 Redistributable - x86 9.0.30729.17
Microsoft Visual C++ 2008 Redistributable - x86 9.0.30729.4148
Mozilla Firefox (3.5.9)
Mozilla Thunderbird (
MSXML 4.0 SP2 (KB954430)
MSXML 4.0 SP2 (KB973688)
myphotobook 3.67
NewsLeecher v4.0 Beta 7
PDF Settings CS4
Photoshop Camera Raw
Profotonet Printservice
PunkBuster Services
QuickPar 0.9
Realtek High Definition Audio Driver
Spybot - Search & Destroy
Star Wars Galaxies
Steinberg Cubase 5
Steinberg Drum Loop Expansion 01
Steinberg Groove Agent ONE Content
Steinberg HALionOne
Steinberg HALionOne Additional Content Set 01
Steinberg HALionOne Expression Set
Steinberg HALionOne GM Drum Set
Steinberg HALionOne GM Set
Steinberg HALionOne Pro Set
Steinberg HALionOne Studio Drum Set
Steinberg HALionOne Studio Set
Steinberg LoopMash Content
Steinberg REVerence Content 01
Suite Shared Configuration CS4
SUPERAntiSpyware Free Edition
THE SETTLERS - Rise of an Empire (All products)
TomTom HOME Visual Studio Merge Modules
Ubisoft Game Launcher
Ventrilo Client
VLC media player 1.0.2
Windows Driver Package - MobileTop (sshpmdm) Modem (01/26/2008
Windows Mobile Device Center
Windows Mobile Device Center Driver Update
WinRAR archiver

Hope you can help.


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Posts: 1
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Re: trojan and SVCHOST.exe

Unread postby deltalima » May 23rd, 2010, 5:03 pm

Hi Raffuhl,

Welcome to the forum.

My nickname is deltalima and I will be helping you with your computer problems.

The logs can take some time to research, so please be patient with me.

Please be aware that removing Malware is a potentially hazardous undertaking. I will take care not to knowingly suggest courses of action that might damage your computer. However it is impossible for me to foresee all interactions that may happen between the software on your computer and those we'll use to clear you of infection, and I cannot guarantee the safety of your system. It is possible that we might encounter situations where the only recourse is to re-format and re-install your operating system, or to necessitate you taking your computer to a repair shop.

Please note the following:
  • I will working be on your Malware issues, this may or may not, solve other issues you have with your machine.
  • The fixes are specific to your problem and should only be used for this issue on this machine.
  • Please continue to review my answers until I tell you your machine appears to be clear. Absence of symptoms does not mean that everything is clear.
  • If after 3 days you have not responded to this topic, it will be closed, and you will need to start a new one.
  • It's often worth reading through these instructions and printing them for ease of reference.
  • If you don't know or understand something, please don't hesitate to say or ask!! It's better to be sure and safe than sorry.
  • Please reply to this thread. Do not start a new topic.

The software installed on this computer suggests that it is used for business, please confirm.
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Re: trojan and SVCHOST.exe

Unread postby Elrond » May 26th, 2010, 3:11 pm

Due to lack of activity this topic is now closed.

If you still require help, please open a new thread in the Infected? Virus, malware, adware, ransomware, oh my! forum, include a fresh FRST log, and wait for a new helper.
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