W2KM_MACOP.A

 Analysis by: Homer Pacag

 PLATFORM:

Windows

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

  • Threat Type: File infector

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

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

It infects certain file types by inserting code in the said files.

  TECHNICAL DETAILS

File Size:

52,224 bytes

File Type:

DOC

Initial Samples Received Date:

17 Jul 2015

Arrival Details

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

File Infection

This file infector infects files with the following file extensions by inserting code in the said files:

  • .DOC

NOTES:

This malware infects documents by copying its macro code to newly opened documents.