ADW_RATSTOM

December 18, 2014
 Analysis by: RonJay Kristoffer Caragay
 ALIASES:

SoftPulse (Sophos); SoftPulse (McAfee); Win32:SoftPulse-BE [PUP] (Avast)

 PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Adware

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

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. It may be manually installed by a user.

  TECHNICAL DETAILS

File Size:

1,145,736 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

15 Dec 2014

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.

It may be manually installed by a user.

Other Details

This adware connects to the following possibly malicious URL:

  • http://{BLOCKED}i5zfgk6tafpr.i9bkgi2347.com/__dmp__/
  • http://{BLOCKED}i5zfgk6tafpr.i9bkgi2347.com/{random}
  • http://{BLOCKED}i5zfgk6tafpr.i9bkgi2347.com/maxpower-static/templates/{data}/css/style.css
  • http://{BLOCKED}i5zfgk6tafpr.i9bkgi2347.com/__maxpower__/render_template/{data}?language_code=en
  • http://{BLOCKED}i5zfgk6tafpr.i9bkgi2347.com/maxpower-static/apps/{data}/css/style.css
  • http://{BLOCKED}i5zfgk6tafpr.i9bkgi2347.com/__maxpower__/render_screen/{data}/screen_variation=videoUpdater
  • http://{BLOCKED}i5zfgk6tafpr.i9bkgi2347.com/maxpower-static/templates/{data}/css/images/bullet-short.gif
  • http://{BLOCKED}i5zfgk6tafpr.i9bkgi2347.com/maxpower-static/templates/{data}/css/images/i-download.png

  SOLUTION

Minimum Scan Engine:

9.700

SSAPI PATTERN File:

1.575.00

Step 1

Scan your computer with your Trend Micro product to delete files detected as ADW_RATSTOM. 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.

Step 2

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.


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