Analysis by: Denisse Camille Layco
ALIASES:

Riskware/KeyGen (FORTINET);

 PLATFORM:

Windows

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

  • Threat Type: Potentially Unwanted Application

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

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

It generates serial numbers to crack into programs that need valid serial numbers for the programs to function fully.

  TECHNICAL DETAILS

File Size: 571,392 bytes
File Type: EXE
Memory Resident: No
Initial Samples Received Date: 25 Dec 2020

Arrival Details

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

Cracker Routine

This Potentially Unwanted Application generates serial numbers to crack into programs that need valid serial numbers for the programs to function fully.

  SOLUTION

Minimum Scan Engine: 9.800
SSAPI PATTERN File: 2.365.00
SSAPI PATTERN Date: 31 Dec 2020

Step 1

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.

Step 2

Scan your computer with your Trend Micro product to delete files detected as PUA.Win32.KeyGen.CRRM. 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 the following Trend Micro Support pages for more information:


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