BKDR_FARFLI.IFN
Backdoor:Win32/Farfli.BH (Microsoft); RDN/Generic BackDoor!yc (McAfee); Trojan.ADH.2 (Symantec); Trojan.Win32.Generic!BT (Sunbelt); Trojan horse BackDoor.Generic_r.GNU (AVG)
Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)
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
75,264 bytes
EXE
No
19 May 2014
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.
Dropping Routine
This backdoor drops the following files:
- %User Profile%\Application Data\winlog.exe
- %User Startup%\winlog.lnk
- %User Profile%\Application Data\winlog.dll
(Note: %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.. %User Startup% is the current user's Startup folder, which is usually C:\Windows\Profiles\{user name}\Start Menu\Programs\Startup on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Start Menu\Programs\Startup on Windows NT, and C:\Documents and Settings\{User name}\Start Menu\Programs\Startup.)
Other Details
This backdoor connects to the following possibly malicious URL:
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
- %User Profile%\Application Data\winlog.exe
- %User Startup%\winlog.lnk
- %User Profile%\Application Data\winlog.dll
Step 3
Scan your computer with your Trend Micro product to delete files detected as BKDR_FARFLI.IFN. 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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