W32/Autorun.worm.es
W32/Autorun.worm.es is a generic detection for worm that will create a copy of the malicious file on the root of any accessible drives on the computer incorporating with an autorun.inf file. If the drive is accessed, W32/Autorun.worm.es will look for and infect other drives it found mounted on the compromised computer.
Alias: W32.Fiala.A, Trojan.Win32.Antavmu.awp, Worm:Win32/Dogkild.C, Packed.Win32.Klone
Damage Level: Medium
Systems Affected: Windows 9x, 2000, XP
Characteristics
When executed, W32/Autorun.worm.es will drop several files under Windows directory. It also creates a copy of the worm on all fixed and removable drives. To execute the worm when Windows starts, it will create Windows services by calling dropped malicious files on start-up.
Supplementary registry entries are also added to the system in order to prevent execution of security programs.
Distribution
W32/Autorun.worm.es spreads through spam email messages. It arrives as an attached that contains inducing messages to open the file such as bank letters, greeting card, notices from web site services (Yahoo, MSN or Google).
The worm may spread locally via unsecured network shares and removable media devices. It sets the infected drive to play automatically by dropping a malicious autorun.inf file. When sharing the compromised drive across the network, there is a possibility that remote users can be infected when they access the shared device.
How to Remove W32/Autorun.worm.es
1. Temporarily Disable System Restore if you are using Windows XP. For Windows Vista/7 users, you may use System Restore to return Windows to a previous clean state. However, you must have a saved restore points to accomplish this. Otherwise, proceed with the removal process.
2. To be able to identify even the most recent variant of W32/Autorun.worm.es, open your antivirus application and update the virus definition file.
3. Start Windows in Safe Mode with Networking.
- From a power-off state, turn on the computer and press F8 on your keyboard repeatedly.
- Your computer will display Windows Advanced Boot Options menu. Please select Safe Mode with Networking.
- The system will now boot Windows and loads only necessary drivers and files.
4. Open your antivirus program and run a full system scan. After the scan, delete all infected items. If unable to delete, better place them in quarantine. Once the scan is complete, please proceed with the next step.
Scan with McAfee Stinger:
Stinger is a portable security tool that can detect and remove particular viruses. It utilizes a highly developed scan engine technology that includes process scanning and scan function optimization.
5. Go to McAfee Labs Stinger web page and download the tool. Save it to your desktop.
6. Once the download completes, double click on the file to run the program.
7. The Stinger main program will open.
8. Default directory to scan is the system drive (C:\). You may add additional drives to scan by clicking on Add button.
9. Click on Scan Now button to begin scanning assigned drives.
10. Stinger will now scan and repair/delete all infected files.
11. When done, you may now close McAfee Stinger and restart Windows in normal mode.
Alternative Removal Method for W32/Autorun.worm.es
Option 1 : Use Windows System Restore to return Windows to previous state
If W32/Autorun.worm.es enters the computer, there is a big chance that Windows files, registry entries and other essential components are also infected. System Restore can reinstate clean system files by restoring the configuration to an earlier date. The method also replaces compromised files with a clean version. If you have a saved restore point before W32/Autorun.worm.es infiltrates the PC, we highly encourage you to execute this procedure if none of the above works. You may proceed with Windows System Restore, click here to see the full procedure.
Option 2 : W32/Autorun.worm.es manual uninstall guide
IMPORTANT! Manual removal of W32/Autorun.worm.es requires technical skills. Deleting system files and registry entries by mistake may result to total disability of Windows system. We advise you to perform a backup of registry before proceeding with this guide.
1. Kill any running process that belongs to W32/Autorun.worm.es.
- Press Ctrl+Alt+Del on your keyboard.
- When Windows Task Manager appears, look for W32/Autorun.worm.es files (refer to Technical Reference) and click End Process.
2. Delete all registry entries that belong to this malware.
- Press [Windows Key]+R on your keyboard.
- In the 'Open' dialog box, type regedit and press Enter. This will open registry editor.
- Find and delete registry entries as mentioned in Technical Reference section below.
- Close registry editor. Changes made will be save automatically.
3. Scan the computer with antivirus program.
- Connect to Internet and open your antivirus software. Please update to obtain the latest database and necessary files.
- Restart the computer in Safe Mode.
- Just before Windows logo begins to load press F8 on your keyboard.
- On Windows Advanced Boot Options, select Safe Mode and press Enter.
4. Delete all files dropped by W32/Autorun.worm.es.
- While still in Safe Mode, search and delete malicious files. Please refer to 'Technical Reference'. Make sure that you execute 'End Task' first before deleting the file. Otherwise, the system will not let you perform this action.