TROJ_TOFSEE.DBB

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

Autostart Technique

This Trojan adds the following registry entries to enable its automatic execution at every system startup:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
MSConfig = "%User Profile%\{random}.exe"

Other System Modifications

This Trojan adds the following registry keys:

HKEY_CURRENT_USER\Software\Microsoft\
DeviceControl

It adds the following registry entries:

HKEY_CURRENT_USER\Software\Microsoft\
DeviceControl
DevData0 = "{random values}"

Dropping Routine

This Trojan drops the following files:

• %User Profile%\{random}.exe

(Note: %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.)

Other Details

This Trojan connects to the following URL(s) to check for an Internet connection:

• outlook.com
• yahoodns.net
• microsoft.com
• yahoo.com
• google.com
• mail.ru