PE_LAMER.K
Worm:Win32/Autorun.AER (Microsoft); W32/Autorun.worm.h (McAfee); Virus.Win32.Lamer.cw (Kaspersky); Trojan horse Generic10.AFDC (AVG)
Windows 2000, Windows XP, Windows Server 2003
![](/vinfo/imgFiles/legend.jpg)
Threat Type: File infector
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This file infector 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 file infector 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 file infector creates the following folders:
- A:\Recycled.{645FF040-5081-101B-9F08-00AA002F954E}
Other System Modifications
This file infector deletes the following files:
- %Temp%\scs3.tmp
- %Temp%\scs6.tmp
(Note: %Temp% is the Windows Temporary folder, which is usually C:\Windows\Temp.)
Dropping Routine
This file infector drops the following files:
- A:\autorun.inf
- A:\Recycled.{645FF040-5081-101B-9F08-00AA002F954E}\winlog.EXE
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
- A:\autorun.inf
- A:\Recycled.{645FF040-5081-101B-9F08-00AA002F954E}\winlog.EXE
Step 3
Search and delete this folder
- A:\Recycled.{645FF040-5081-101B-9F08-00AA002F954E}
Step 4
Scan your computer with your Trend Micro product to clean files detected as PE_LAMER.K. 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.
Step 5
Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again.
- %Temp%\scs3.tmp
- %Temp%\scs6.tmp
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