JOKE_WINSHOOT

 Analysis by: Michael Cabel

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Joke Program

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW


This joke program converts the infected system's mouse pointer into a telescopic sight. A gunshot is displayed on screen every time a mouse is clicked.

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

  TECHNICAL DETAILS

File Size:

59,616 bytes

Memory Resident:

Yes

Initial Samples Received Date:

13 Dec 2011

Arrival Details

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

NOTES:
This joke program converts the infected system's mouse pointer into a telescopic sight. A gunshot is displayed on screen every time a mouse is clicked.

  SOLUTION

Minimum Scan Engine:

9.200

SSAPI PATTERN File:

1.244.20

SSAPI PATTERN Date:

13 Dec 2011

Step 1

For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

Restart in normal mode and scan your computer with your Trend Micro product for files detected as JOKE_WINSHOOT. 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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