TROJ_BUZUS.ASN
Windows 2000, Windows XP, Windows Server 2003
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Trojan
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
As of this writing, the said sites are inaccessible.
It deletes itself after execution.
TECHNICAL DETAILS
105,476 bytes
EXE
No
23 Apr 2011
Drops files, Downloads files
Arrival Details
This Trojan 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 Trojan drops the following copies of itself into the affected system and executes them:
- %system root%\EXPLORERxx.exe
Download Routine
This Trojan accesses the following websites to download files:
- http://{BLOCKED}x.{BLOCKED}z.cc/mainnnn/bin/6587454.exe
As of this writing, the said sites are inaccessible.
Other Details
This Trojan deletes itself after execution.
SOLUTION
8.900
8.112.13
23 Apr 2011
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 to delete files detected as TROJ_BUZUS.ASN. 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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