PWS-Zbot.gen.b

Upon execution, the Trojan connects to the following site qqsjnq[removed].net to download other malicious files.

Also drops the following files.

• %Temp%\tmp[random number].tmp
• %Temp%\tmp[random number].tmp

The following registry keys have been added to the system.

• HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\DownloadManager

Also It connects to the following sites.

• iprhopuo[removed].com
• uyqolpiq[removed].biz
• zszr[removed].info
• zszrr[removed].org
• bknulr[removed].net
• bknulr[removed].biz
• qohlv[removed].info
• qohlv[removed].com
• lyofggu[removed].net

[Note: C:\Documents and Settings\Administrator\Local Settings\Temp is %Temp% ]

• This symptoms of this detection are the files, registry, and network communication referenced in the characteristics section.

Viruses are self-replicating. They are often spread by a network or by transmission to a removable medium such as a removable disk, writable CD, or USB drive. Viruses may also spread by infecting files on a network file system or a file system that is shared by another computer.

All Users:

Please use the following instructions for all supported versions of Windows to remove threats and other potential risks:

1.Disable System Restore .

2.Update to current engine and DAT files for detection and removal.

3.Run a complete system scan.

Modifications made to the system Registry and/or INI files for the purposes of hooking system startup, will be successfully removed if cleaning with the recommended engine and DAT combination (or higher).

1. Please go to the Microsoft Recovery Console and restore a clean MBR.

On windows XP:

Insert the Windows XP CD into the CD-ROM drive and restart the computer.
When the "Welcome to Setup" screen appears, press R to start the Recovery Console.
Select the Windows installation that is compromised and provide the administrator password
Issue 'fixmbr' command to restore the Master Boot Record
Follow onscreen instructions
Reset and remove the CD from CD-ROM drive.