TROJ_BUZUS.BJJ
Microsoft: TrojanDownloader:Win32/Buzus.C; Kaspersky: Trojan-Downloader.Win32.Small.bavh; Mcafee: Downloader-BIJ
Windows 2000, XP, Server 2003
Threat Type: Trojan
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
This Trojan may be dropped by other malware. It may be unknowingly downloaded by a user while visiting malicious websites. However, as of this writing, the said sites are inaccessible.
TECHNICAL DETAILS
Arrival Details
This Trojan may be dropped by other malware.
It may be unknowingly downloaded by a user while visiting malicious websites.
However, as of this writing, the said sites are inaccessible.
Installation
This Trojan injects threads into the following normal process(es):
- SVCHOST.EXE
Download Routine
This Trojan connects to the following website(s) to download and execute a malicious file:
- {BLOCKED}ic.osa.pl
It saves the files it downloads using the following names:
- %User Temp%\{6 random characters}.exe
(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003.)
SOLUTION
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
Restart in Safe Mode
Step 3
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TROJ_BUZUS.BJJ. 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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