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TSPY_FRETHOG.PG

September 06, 2013
 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

 OVERALL RISK RATING:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 INFORMATION EXPOSURE:

  • Threat Type: Spyware

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW


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

It deletes itself after execution.

  TECHNICAL DETAILS

File Size:

356,864 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

06 Sep 2013

Arrival Details

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

Installation

This spyware drops the following copies of itself into the affected system:

  • %System%\dllcache\winfasx.bat

(Note: %System% is the Windows system folder, which is usually C:\Windows\System32.)

Dropping Routine

This spyware drops the following files:

  • %Windows%\DELME.BAT

(Note: %Windows% is the Windows folder, which is usually C:\Windows.)

Other Details

This spyware connects to the following possibly malicious URL:

  • http://www.{BLOCKED}house.co.kr/common/lib/esdfsfs.swf

It deletes itself after execution.

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine:

9.300

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.
  • %Windows%\DELME.BAT

Step 3

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