wllcomms.exe, winlogam.exe

Trojan - Generic

The file names wllcomms.exe, winlogam.exe have appeared in a virus analysis report. You can see it  on this link

  • The installer is of about 24 KB. It seems to be a new unidentified virus
  • It has the capability to send out email messages with the built-in SMTP client engine.
  • It also has a keylogger component
  • It connects to other harmful sites and download more harmful files.

It creates wllcomms.exe, winlogam.exe, winsys.exe, aboutblank.exe, afsys.exe, erth.exe, filerum.exe, proxfile.exe, winhelp.exe and other files on the infected computer that you need to search and delete. You should end running processes named wllcomms.exe, winlogam.exe, winsys.exe, aboutblank.exe, afsys.exe, erth.exe, filerum.exe, proxfile.exe, winhelp.exe from Task Manager. And also remove the file's entries from windows startup.

Warning: It is possible that some legitimate software may be using the same file names as that of the virus files. You do not have to delete these files if they belong to some legitimate program installed on your computer. Use Windows Defender or SysInternals Process Explorer  to differentiate between them. The information in this article is presented without making any claims regarding its usefulness or otherwise. If you are a software developer and the file names mentioned here resemble to the names used in your software, please send a note by adding a comment at the end of this page, or mail on support(at)comprolive.com

 Using System Restore

If you know the duration since your computer is infected, you can try to restore your computer at a prior date, that will be an easy way to undo the changes done by the virus

 Boot in safe mode

Sometimes you can not delete a file. You should boot in safe mode and then try to delete it.

  View Hidden Files

  • You need to enable to view hidden files and folders before searching.
  • How to Enable to View Hidden Files and Folders in Windows XP
  • How to Enable to View Hidden Files and Folders in Windows Vista
  • How to Enable to View Hidden Files and Folders in Windows7 

 Remove Processes from Task Manager

Press Ctrl Alt Del keys to open the Task Manager.Select Processes tab. You will see a list. Look for the names wllcomms.exe, winlogam.exe, winsys.exe, aboutblank.exe, afsys.exe, erth.exe, filerum.exe, proxfile.exe, winhelp.exe in it. Select if found and press the End Process button. It will ask for your confirmation to end that process. Select Yes. You can end one process at a time. You can find out if a process in Task Manager is good or bad by using Windows Defender in XP and Vista. It shows the path of a process and its publisher. Harmful processes may be shown under Unknown Publisher in windows defender. Whereas in Windows7 you can find that out from the task manager itself Or you can use Sysinternal's Process Explorer. How to use Sysinternal's Process Explorer

 Removing entry from windows startup

The system configuration can be started in xp and in vista by typing msconfig in the run box/ start menu search box. 
In xp by clicking on Start > run . The windows startup is reversible. You can check / uncheck any entry from windows startup any number of times.

Open system configuration window.Click on the Startup tab. You will see a list all the programs that are scheduled to start with windows. Expand the middle column using your mouse pointer. That will show you the full path of the program. Locate and uncheck the boxes in front of these names "wllcomms.exe, winlogam.exe, winsys.exe, aboutblank.exe, afsys.exe, erth.exe, filerum.exe, proxfile.exe, winhelp.exe" (also look for any other suspicious names)Press Apply , Press Close/Ok , Select "restart" at the next prompt. 

 Deleting files

The computer will restart now. Delete the following files and folders. Boot in safe mode or boot in the dos prompt if needed. You can use windows search utility to search for wllcomms.exe, winlogam.exe, winsys.exe, aboutblank.exe, afsys.exe, erth.exe, filerum.exe, proxfile.exe, winhelp.exe

Files
C:\Program Files\FileSystem\aboutblank.exe
C:\Program Files\FileSystem\afsys.exe
C:\Program Files\FileSystem\erth.exe
C:\Program Files\FileSystem\filerum.exe
C:\Program Files\FileSystem\ntwdblib.dll
C:\Program Files\FileSystem\proxfile.exe
C:\Program Files\FileSystem\winhelp.exe
C:\Windows\System32\FileRum.exe
C:\Windows\System32\ccrpTmr6.dll
C:\Windows\System32\COMCTL32.OCA
C:\Windows\System32\gud.dut
C:\Windows\winlogam.exe
C:\Windows\winsys.exe
C:\Windows\wllcomms.exe
C:\Windows\SENDED_LOG.LOG
[file and pathname of the sample #1]

(We do not know the name or the location of sample #1, it could be in your default download location or on the desktop or in a Temp folder. The files and folders in the Temp folder can be automatically removed, if you use a freeware temp files/ registry cleaner software like CCleaner)
Folders
C:\Program Files\FileSystem

Registry Keys

Some of the registry keys  will be automatically removed if you run Registry menu of CCleaner. For others you can see the report mentioned at the beginning of this article .

 Using CCleaner

You can easily remove the files in the temp folder by running CCleaner. You can set CCleaner to run automatically each time the computer starts. Do not forget to run CCleaner > Registry menu to remove the obsolete registry entries.

more about CCleaner on this link

 Free tools to repair disabled folder options, registry, Task Manager etc

Whereas you can repair disabled Folder Options, disabled Registry Tools, disabled Task Manager, Disabled System Restore etc using these free tools

 Use the System File Checker

To repair altered deleted or modified windows system files.

 

Reprinted with permission from Threatexpert.com  


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