TROJ_FAKEAV.ESR
TrojanDownloader:Win32/Karagany.A (Microsoft); Downloader-CMY.c (McAfee); Trojan.Gen (Symantec); Trojan.Win32.Jorik.Fraud.sm (Kaspersky); Trojan.Win32.FakeAV.oq (v) (Sunbelt); Trojan.Generic.5901542 (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
25,600 bytes
EXE
No
31 Dec 2011
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.
Installation
This Trojan creates the following folders:
- %User Profile%\Application Data\Adobe
- %User Profile%\Adobe\shed
- %User Profile%\Adobe\plugs
(Note: %User Profile% is the current user's profile folder, which is usually C:\Windows\Profiles\{user name} on Windows 98 and ME, C:\WINNT\Profiles\{user name} on Windows NT, and C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003.)
Dropping Routine
This Trojan drops the following files:
- {malware path and file name}
Other Details
This Trojan connects to the following possibly malicious URL:
- http://{BLOCKED}e.in/kuncor700p.exe
- http://{BLOCKED}ay.in/kuncor700p.exe
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 folders
- %User Profile%\Application Data\Adobe
- %User Profile%\Adobe\shed
- %User Profile%\Adobe\plugs
Step 3
Search and delete this file
Step 4
Scan your computer with your Trend Micro product to delete files detected as TROJ_FAKEAV.ESR. 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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