arrow_back
search
close

JOKE_HIDDENTEARSCARE

September 27, 2017
 Analysis by: Wilbert Vidal
 ALIASES:

Hoax.MSIL.BadJoke.aj (Kaspersky); Trojan.BadJoke (Malwarebytes)

 PLATFORM:

Windows

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

  • Threat Type: Joke Program

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Downloaded from the Internet, Dropped by other malware

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:

316,416 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

21 Aug 2017

Payload:

Terminates processes, Displays graphics/image

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.

Process Termination

This Joke Program terminates processes or services that contain any of the following strings if found running in the affected system's memory:

  • explorer

NOTES:

This joke program displays the following window applications:

It starts processes or services that contain any of the following strings when the close button is clicked:

  • explorer

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

1.876.10

FIRST VSAPI PATTERN DATE:

21 Sep 2017

VSAPI OPR PATTERN File:

1.877.00

VSAPI OPR PATTERN Date:

21 Sep 2017

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 JOKE_HIDDENTEARSCARE. 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.


Did this description help? Tell us how we did.