ADW_PULSOFT

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

As of this writing, the said sites are inaccessible.

It retrieves specific information from the affected system.

Arrival Details

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

Download Routine

This adware connects to the following URL(s) to download its component file(s):

• http://{BLOCKED}n.mxp30.com/{random characters}

It saves the files it downloads using the following names:

• %User Temp%\{random characters}.exe

(Note: %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)

As of this writing, the said sites are inaccessible.

Information Theft

This adware retrieves the following information from the affected system:

• Internet Explorer version
• Operating System version
• Installed anti-virus software

Drop Points

Stolen information is uploaded to the following websites:

• http://{BLOCKED}n.mxp30.com/__dmp__/

NOTES:

It uses anti-debugging techniques. It does not perform its intended routine if found to be being debugged.