W32/Baitap-A

Aliases	Backdoor.Win32.VB.aid
Category	Viruses and Spyware
Type	Worm
What to do	If you've received an alert for a virus or spyware, then follow the instructions for removing the threat.
Prevalence	low high

Summary


How it spreads	Chat programs
Affected operating systems	Windows
Characteristics	Installs itself in the registry
Protection available since	30 August 2005 22:23:29 (GMT)
Detected by	All Sophos products

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W32/Baitap-A is a worm for the Windows platform.

When first run W32/Baitap-A will display a Macromedia Shockwave file intended to be a distraction.

W32/Baitap-A will will send itself in a message sent to those in the infected users' buddy list in popular chat programs.

When first run W32/Baitap-A copies itself to:

<Windows>\spoolsv.exe
<System>\resys.exe

W32/Baitap-A will create the following registry entry:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce
SVCHOST
<WINDOWS>\SPOOLSV.EXE

W32/Baitap-A will change the following registry entry:

HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogin
Shell
explorer.exe <WINDOWS>\SPOOLSV.EXE

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