Analysis by: Rika Joi Gregorio
ALIASES:

Trojan:Win32/Aegrus(Microsoft), Riskware/Salary(Fortinet)

 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

 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 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: 190,464 bytes
File Type: EXE
Memory Resident: No
Initial Samples Received Date: 16 Feb 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 malware displays a windows with the following message:

Are You Satisfied With Your Salary? The user has the option to choose between Yes or No. If the user tries to click No, the button will move away. Forcing the user to click Yes. Upon clicking Yes, another window will be displayed saying, We Thought You Were -HR Dept.

  SOLUTION

Minimum Scan Engine: 9.300
FIRST VSAPI PATTERN FILE: 7.840.04
FIRST VSAPI PATTERN DATE: 16 Feb 2011
VSAPI OPR PATTERN File: 7.841.00
VSAPI OPR PATTERN Date: 17 Feb 2011

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_SALARY.A. 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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