ADW_PULSOFT
Downloader.Win32.DriverUpd.hlh (Kaspersky), Win32/SoftPulse.O (ESET), Riskware/DriverUpd (Fortinet)
Windows
Threat Type: Adware
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
Dropped by other malware, Downloaded from the Internet
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.
TECHNICAL DETAILS
1,326,888 bytes
EXE
No
30 Oct 2014
Steals information, Downloads files
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.
SOLUTION
9.700
1.562.09
30 Oct 2014
Step 1
Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.
Step 2
Search and delete these files
- %User Temp%\{random characters}.exe
Step 3
Scan your computer with your Trend Micro product to delete files detected as ADW_PULSOFT. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.
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