TSPY_DYRE.YUYBR

May 05, 2015
 ALIASES:

PWS:Win32/Dyzap.M (Microsoft); Upatre-FAAR!FCB08FF83564 (McAfee); Trojan.Gen.2 (Symantec); Trojan.Win32.Staser.bkhv (Kaspersky); Mal/EncPk-ANE (Sophos); Trojan.Win32.Generic!BT (Sunbelt); Trojan horse Ransomer.FPL (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.

It deletes itself after execution.

  TECHNICAL DETAILS

File Size:

436,736 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

05 May 2015

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.

Dropping Routine

This spyware drops the following files:

  • %Windows%\cIvVoPnuDhyYOOE.exe

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

Other Details

This spyware deletes itself after execution.

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine:

9.750

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.
  • %Windows%\cIvVoPnuDhyYOOE.exe

Step 3

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