Remove Feebs.b. Description and removal instructions

 
Title: Feebs.b

Type: Worms
Severity scale:Feebs.b severity is 70  (70 / 100)
 
Feebs.b is a rapidly spreading Internet worm, which propagates by e-mail in messages with malicious attachments and through file sharing networks using popular peer-to-peeer applications. The user can accidentally infect a computer by opening an infected e-mail attachment or download the parasite as a purportedly useful program.

Once executed, Feebs.b displays a fake logon prompt, installs itself to the system and runs a spreading routine. The worm sends malicious letters to all the addresses it find on the compromised computer. It also creates infected files with meaningful names in shared folders of installed peer-to-peer programs.

The parasite's payload is comprised of several harmful functions. Feebs.b collects user sensitive information including various passwords, account details and e-mail addresses, and uploads it to a predetermined FTP server. The worm terminates running antiviruses, firewalls and other security-related programs and prevents them from running on system startup. It also cripples and disables most system services and shuts down the Windows Firewall. Furthermore, Feebs.b may run a hidden web server used to spread the infection. The parasite uses an integrated rootkit component, which injects malicious code into all active processes in order to block access to the worm's files.

Feebs.b automatically runs on every Windows startup.


Related files: command.exe, ms[X1].exe, ms[X2]32.dll, ms[X3], userinit.exe

Feebs.b properties:
• Sends out logs by FTP or email
• Connects itself to the internet
• Hides from the user
• Stays resident in background

Automatic Feebs.b removal:

remover for Feebs.b

Feebs.b manual removal:

Kill processes:
command.exe, ms[X1].exe
Delete registry values:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\[filename]
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{CD5AC91B-AE7B-E83A-0C4C-E616075972F3}
HKEY_CURRENT_USER\Software\Policies\Microsoft\WindowsFirewall\DomainProfile\EnableFirewall=0
HKEY_CURRENT_USER\Software\Policies\Microsoft\WindowsFirewallStandardProfile\EnableFirewall=0
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\WindowsFirewall\DomainProfile\EnableFirewall=0
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\WindowsFirewall\StandardProfile\EnableFirewall=0
HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\web=[site address]
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MS[X4]
HKLM\SOFTWARE\Microsoft\MSGW
Unregister DLLs:
ms[X2]32.dll

Delete files:
command.exe, ms[X1].exe, ms[X2]32.dll, ms[X3], userinit.exe
Misc:
[X1], [X2], [X3] and [X4] are four different strings comprised of random characters.
[site address] is an address of a web site on the popcapfree.t35.com domain.

Filenames may vary. Feebs.b creates randomly named registry keys.

Exact file location:
command.exe - C: and C:\Documents and Settings\All Users\Start Menu\Programs\Startup
ms[X1].exe, ms[X2]32.dll, ms[X3] - C:\Windows\System, C:\Windows\System32 or C:\Winnt\System32

Feebs.b drops its copies as several malicious *.zip files. The files can be named after the following:

winamp_7_new!_full+crack.zip
DivX_8.0_new!_full+crack.zip
Internet_Explorer_7_new!_full+crack.zip
ICQ_2007_new!_full+crack.zip
Ahead_Nero_8_new!_full+crack.zip
Microsoft_Office_2006_new!_full+crack.zip
Kazaa_4_new!_full+crack.zip
Vista_Final_new!_full+crack.zip

Other programs to remove Feebs.b:

• SUPERAntiSpyware - Review - Download
• CounterSpy - Review - Download
• Windows Defender - Review - Download

Information added: 25/12/05
Information updated: 24/04/07

Additional resources related to Feebs.b:

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