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TSPY_TRICKBOT.AUTJ

September 18, 2017
 ALIASES:

Trojan:Win32/Skeeyah.A!rfn (Microsoft); RDN/Generic.grp (McAfee); Trojan.Trickybot (Symantec); Trojan.Win32.Trickster.aga (Kaspersky); Troj/TrikBot-L (Sophos); Trojan-Downloader.Win32.Upatre.tfl (v) (Sunbelt)

 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:

512,512 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

18 Sep 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.

Installation

This Spyware drops the following copies of itself into the affected system:

  • %User Profile%\winapp\A1E1D4CB01536713C1C3A8107E2E4455258A405C

(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.)

It creates the following folders:

  • %User Profile%\Application Data\winapp
  • Modules

(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.)

Dropping Routine

This Spyware drops the following files:

  • %Windows%\Tasks\services update.job
  • client_id

(Note: %Windows% is the Windows folder, where it usually is C:\Windows on all Windows operating system versions.)

Other Details

This Spyware connects to the following possibly malicious URL:

  • {BLOCKED}5.36.1

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 these components

[ Learn More ]
There may be some components 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.
  • %Windows%\Tasks\services update.job
  • client_id

Step 3

Search and delete these folders

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden folders in the search result.
  • %User Profile%\Application Data\winapp
  • Modules

Step 4

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