BKDR_NOANCOOE.AAC
Windows
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
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.
Installation
This backdoor creates the following folders:
- %System Root%\Documents and Settings\Wilbert
(Note: %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.)
Dropping Routine
This backdoor drops the following files:
- __tmp_rar_sfx_access_check_545296
- WPRW.exe
- WPRWA
This report is generated via an automated analysis system.
SOLUTION
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
Search and delete these components
- __tmp_rar_sfx_access_check_545296
- WPRW.exe
- WPRWA
Step 3
Search and delete this folder
- %System Root%\Documents and Settings\Wilbert
Step 4
Scan your computer with your Trend Micro product to delete files detected as BKDR_NOANCOOE.AAC. 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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