PUA_COMPROMISEDCERT

December 29, 2015

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 Analysis by: Anthony Joe Melgarejo

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 ALIASES:

Program:Win32/CompromisedCert.C (Micosoft), Dell Foundation Agent eDell (PUA) (Sophos), HEUR:Trojan.Win32.Blacert.a (Kaspersky), RiskWare.CompromisedCert (Malwarebytes)

 PLATFORM:

Windows

 OVERALL RISK RATING:

 DAMAGE POTENTIAL:

 DISTRIBUTION POTENTIAL:

 REPORTED INFECTION:

 INFORMATION EXPOSURE:

• 
  Threat Type: Potentially Unwanted Application
• 
  Destructiveness: No
• 
  Encrypted:
• 
  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 requires its main component to successfully perform its intended routine.

  TECHNICAL DETAILS

File Size:

100,040 bytes

File Type:

DLL

Memory Resident:

Yes

Initial Samples Received Date:

27 Nov 2015

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.

Other Details

This potentially unwanted application requires its main component to successfully perform its intended routine.

  SOLUTION

Minimum Scan Engine:

9.800

SSAPI PATTERN File:

1.689.00

SSAPI PATTERN Date:

24 Dec 2015

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

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