Remove Vustog. Description and removal instructions

 
Title: Vustog

Type: Worms
Severity scale:Vustog severity is 56  (56 / 100)
 
Vustog is an Internet worm that spreads by e-mail through messages with infected attachments. It can also propagate via file sharing networks and by exploiting remote security vulnerabilities. Once executed, the parasite installs itself to the system and runs a spreading routine. It uses own mail engine to send bogus e-mails to addresses it gathers from the Windows Address Book and some local files. The worm also creates numerous copies of itself in shared folders of installed peer-to-peer clients.

Vustog carries a payload. It terminates processes of some security-related applications and overwrites the main executable of Internet Explorer with a copy of itself. It also modifies services of Symantec LiveUpdate in order to run every time security updates start. The worm is able to receive and execute commands from a remote attacker. It can bypass the Windows Firewall.

Vustog secretly runs on every Windows startup.


Related files: aupdate.exe, IEXPLORE.EXE, lsass.exe, luall.exe, mcupdate.exe, svchost.exe:svchost.exe, msfsr.sys, [X].sys

Vustog properties:
• Allows remote user connection
• Connects itself to the internet
• Hides from the user
• Stays resident in background

Automatic Vustog removal:

remover for Vustog

Vustog manual removal:

Kill processes:
aupdate.exe, iexplore.exe, lsass.exe, luall.exe, mcupdate.exe, svchost.exe:svchost.exe
Delete registry values:
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\\Standar Profile\AuthorizedApplications\List\[filename]
Delete files:
aupdate.exe, iexplore.exe, lsass.exe, luall.exe, mcupdate.exe, svchost.exe:svchost.exe, msfsr.sys, [X].sys
Misc:
[X] is a combination of 6 random letters.

Exact file location:
lsass.exe - C:\WINDOWS or C:\WINNT
mcupdate.exe - C:\Program Files\McAfee.com\Agent
iexplore.exe - C:\Program Files\Internet Explorer
msfsr.sys - C:\WINDOWS\System or C:\WINNT\System32
aupdate.exe, luall.exe - C:\Program Files\Symantec\LiveUpdate
[X].sys - C:\WINDOWS\System32\drivers or C:\WINNT\System32\drivers
svchost.exe:svchost.exe - C:\WINDOWS\System32 or C:\WINNT\System32; C:\WINDOWS\Sytem32\dllcache or C:\WINNT\System32\dllcache

Other programs to remove Vustog:

• Malwarebytes Anti Malware - Review - Download
• Malwarebytes Anti Malware - Review - Download
• Windows Defender - Review - Download

Information added: 03/02/07
Information updated: 03/02/07

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