BKDR_FARFLI.XUZY
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
810,366 bytes
EXE
No
10 Jan 2015
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:
- systemp
Dropping Routine
This backdoor drops the following files:
- __tmp_rar_sfx_access_check_44468
- systemp\Skype.exe
- %System Root%\systemp\Skype.exe
- ???????????.xlsx
(Note: %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.)
Other Details
This backdoor connects to the following possibly malicious URL:
- {BLOCKED}.77.241
- {BLOCKED}0.1
- {BLOCKED}6.81.94
- {BLOCKED}.120.187
- {BLOCKED}.49.48
This report is generated via an automated analysis system.
SOLUTION
9.700
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_44468
- systemp\Skype.exe
- %System Root%\systemp\Skype.exe
- ???????????.xlsx
Step 3
Search and delete this folder
- systemp
Step 4
Scan your computer with your Trend Micro product to delete files detected as BKDR_FARFLI.XUZY. 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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