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BKDR_ANDROM.YYKE

November 11, 2014
 ALIASES:

Backdoor.Trojan (Symantec); Backdoor.Win32.Androm.fgjn (Kaspersky); Trojan.Win32.Generic!BT (Sunbelt)

 PLATFORM:

Windows

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

  • Threat Type: Backdoor

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW


This backdoor 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:

328,192 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

11 Nov 2014

Arrival Details

This backdoor 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 backdoor adds the following registry entries:

HKEY_CLASSES_ROOT
CLSID\{89E5A83F-0E1E-41AE-1AA4-C6A783C796F7} = "Rowobe object"

HKEY_CURRENT_USER
Software\ASProtect\SpecData = "B58023C8B58023C8"

HKEY_CURRENT_USER\Software\ASProtect\
SpecData
B58023C8B58023C8 = "{random values}"

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine:

9.700

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

Delete this registry value

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_CLASSES_ROOT
    • CLSID\{89E5A83F-0E1E-41AE-1AA4-C6A783C796F7} = "Rowobe object"
  • In HKEY_CURRENT_USER
    • Software\ASProtect\SpecData = "B58023C8B58023C8"
  • In HKEY_CURRENT_USER\Software\ASProtect\SpecData
    • B58023C8B58023C8 = "{random values}"

Step 3

Scan your computer with your Trend Micro product to delete files detected as BKDR_ANDROM.YYKE. 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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