BKDR_ZOMBY.E

 Analysis by: Christopher Daniel So

 PLATFORM:

Windows 2000, XP, Server 2003

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

  • Threat Type: Backdoor

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW


This backdoor is capable of creating its own server components.

  TECHNICAL DETAILS

File Size:

102,272 bytes

File Type:

PE

File Compression:

PECompact

Memory Resident:

Yes

Initial Samples Received Date:

02 Sep 2010

Backdoor Routine

This backdoor is capable of creating its own server components.

Other Details

This backdoor does the following:

  • It exports the functions of the normal Windows file kernel32.dll

  SOLUTION

Minimum Scan Engine:

8.900

FIRST VSAPI PATTERN FILE:

7.432.04

FIRST VSAPI PATTERN DATE:

02 Sep 2010

VSAPI OPR PATTERN File:

7.433.00

VSAPI OPR PATTERN Date:

02 Sep 2010

Step 1

For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

Scan your computer with your Trend Micro product and note files detected as BKDR_ZOMBY.E

Step 3

Restart in Safe Mode

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Step 4

Search and delete the file detected as BKDR_ZOMBY.E

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Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden files in the search result.


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