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ADW_SOLIMBA
Aliases: MSIL/Solimba (ESET-NOD32)
Malware type: Adware
Destructive: No
Platform: Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)
Encrypted: No
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 arrives as a component bundled with malware/grayware packages.

Technical Details


File size: 114,928 bytes
File type: EXE
Memory resident: No
Initial samples received date: 05 Apr 2012

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 arrives as a component bundled with malware/grayware packages.

Installation

This adware adds the following possibly malicious files or file components:

  • %User Temp%/{random}/downloadmr.exe

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

Other Details

This adware connects to the following possibly malicious URL:

  • http://api.{BLOCKED}admr.com//installer/

Solution


Minimum scan engine: 9.300
First VSAPI Pattern File: 1.278.08
First VSAPI Pattern Release Date: 06 Apr 2012
VSAPI OPR Pattern Version: 1.279.00
VSAPI OPR Pattern Release Date: 06 Apr 2012

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 this file

[ Learn more ]
There may be some files that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
 
  • %User Temp%/{random}/downloadmr.exe

Step 3

Scan your computer with your Trend Micro product to delete files detected as ADW_SOLIMBA. 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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Analysis By: Alvin Bacani

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