TSPY_KROWS.A

This spyware arrives as a file that exports the functions of other malware/grayware. It may arrive bundled with malware packages as a malware component. It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Arrival Details

This spyware arrives as a file that exports the functions of other malware/grayware.

It may arrive bundled with malware packages as a malware component.

It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Other System Modifications

This spyware deletes the following files:

• %System%\localsp1.dll
• %System%\msxml4r.dll

(Note: %System% is the Windows system folder, which is usually C:\Windows\System on Windows 98 and ME, C:\WINNT\System32 on Windows NT and 2000, or C:\Windows\System32 on Windows XP and Server 2003.)

It modifies the following registry entries:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Control\Lsa
forceguest = "0"

(Note: The default value data of the said registry entry is 1.)

Other Details

This spyware opens the following files:

• %System%\msxml0r.ini

(Note: %System% is the Windows system folder, which is usually C:\Windows\System on Windows 98 and ME, C:\WINNT\System32 on Windows NT and 2000, or C:\Windows\System32 on Windows XP and Server 2003.)

NOTES:

It copies %System%\cmd.exe and renames it to %System%\mmc32.exe. It then uses the copy to execute commands such as adding registries, setting the firewall, etc.