TROJ_BANLOAD.DNL
TrojanDownloader:Win32/Banload.ACI (Microsoft); Generic.ir (McAfee); Trojan Horse (Symantec); Trojan-Downloader.Win32.Delf.bego (Kaspersky); Trojan.Win32.Generic!BT (Sunbelt); Trojan.Generic.KD.527248 (FSecure)
Windows 2000, Windows XP, Windows Server 2003
Threat Type: Trojan
Destructiveness: No
Encrypted:
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.
TECHNICAL DETAILS
2,989,056 bytes
EXE
No
17 May 2012
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.
Dropping Routine
This Trojan drops the following files:
- %Application Data%\history.txt
- %Application Data%\za1.txt
(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Windows\Profiles\{user name}\Application Data on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Application Data on Windows NT, and C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000, XP, and Server 2003.)
This report is generated via an automated analysis system.
SOLUTION
9.200
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
Search and delete these files
- %Application Data%\history.txt
- %Application Data%\za1.txt
Step 3
Scan your computer with your Trend Micro product to delete files detected as TROJ_BANLOAD.DNL. 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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