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TSPY_FAREIT.AUSIMY

April 10, 2017
 ALIASES:

PWS:Win32/Fareit (Microsoft); Generic.y (McAfee); Trojan.Gen.2 (Symantec); Trojan-PSW.Win32.Tepfer.psxveq (Kaspersky); Troj/MSIL-JHH (Sophos); Trojan.Win32.Generic!BT (Sunbelt); Trojan horse MSIL11.AILA (AVG)

 PLATFORM:

Windows

 OVERALL RISK RATING:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 INFORMATION EXPOSURE:

  • Threat Type: Spyware

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Spyware 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:

776,224 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

10 Apr 2017

Arrival Details

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

Other System Modifications

This Spyware deletes the following files:

  • %User Profile%\Temp\ .exe
  • %User Profile%\#folder#\#rundll32.exe#:Zone.Id entifier
  • %User Startup%\#rundll32.exe#:Zone.Id entifier

(Note: %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.. %User Startup% is the current user's Startup folder, which is usually C:\Documents and Settings\{user}\Start Menu\Programs\Startup on Windows 2000 and XP, and C:\Documents and Settings\{User name}\Start Menu\Programs\Startup on Windows Vista, 7, and 8.)

Dropping Routine

This Spyware drops the following files:

  • %User Profile%\Temp\tmp.exe

(Note: %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.)

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine:

9.8

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

Search and delete this file

[ Learn More ]
There may be some files that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
  • %User Profile%\Temp\tmp.exe

Step 3

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

Step 4

Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again.

  • %User Profile%\Temp\ .exe
  • %User Profile%\#folder#\#rundll32.exe#:Zone.Id entifier
  • %User Startup%\#rundll32.exe#:Zone.Id entifier


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