This page contains detailed analysis on Backdoor.Vinself. To get rid of this Trojan, please use the removal guide below.
Backdoor.Vinself is a Trojan that injects itself into Internet Explorer process. This Trojan will open a backdoor that will allow a remote attacker to gain access on the infected computer. The Trojan can also accept malicious commands from a remote server and execute other tasks as ordered by an attacker.
Damage Level: Medium
Systems Affected: Windows 9x, 2000, XP, Windows Vista
When Backdoor.Vinself is run on the computer, it will copy itself under Windows directory with varying file name. It may also drop malicious file that contains the backdoor mechanism to allow remote execution of commands.
Then, the Trojan will run an instance of Internet Explorer and injects it with a corrupt code. This code intends to monitor web-browsing activity of the user.
This threat will gather information such as Host Name, User Name, and Local Time. It will then connect to a Command and Control (C&C) server and send the collected data. Backdoor.Vinself will also perform the following tasks while it is connected to the server:
- Upload and download files
- Delete files and folders
- End running processes of Windows
- Execute command through command prompt
- Launch malicious process
- List drive information and process that are running on the computer
- Update itself
Upgraded version of this Trojan may perform these actions:
- The Trojan will gather certain software and hardware information from victims PC.
- With backdoor capability, Backdoor.Vinself can monitor key strokes and capture screen shot of programs.
- It can partly control the compromised system by stopping, starting or remove some services.
- This Trojan also injects itself to Internet Explorer service.
Backdoor.Vinself can spread in a variety of ways. It often arrives as an attached file to spam email messages. There are also instances that another virus will download and execute this threat on your system.
How to Remove Backdoor.Vinself
Step 1 : Run a scan with your antivirus program
1. First thing you should do is reboot the computer in Safe Mode with Networking to avoid Backdoor.Vinself from loading at start-up.
Remove all media such as floppy drive, cd, dvd, and USB devices. Then, restart the computer and please do the following:
Boot in Safe Mode with Networking on Windows XP, Windows Vista, and Windows 7 system
a) Before Windows begins to load, press F8 on your keyboard.
b) It will display the Advanced Boot Options menu. Select Safe Mode with Networking.
Start computer in Safe Mode with Networking using Windows 8
a) Before Windows begins to load, press Shift and F8 on your keyboard.
b) On Recovery interface, click on 'See advanced repair options'.
c) Next, click on Troubleshoot option.
d) Then, select Advanced options from the list.
e) Lastly, please choose Windows Startup Settings and click on Restart. When Windows restarts, you will be send to a familiar Advanced Boot Options screen.
f) Select Safe Mode with Networking from the selections menu.
2. Once Windows is running under Safe Mode with Networking, open your antivirus program and download the most recent update. This method ensures that your antivirus program can detect even newer variants of Backdoor.Vinself.
Updating your antivirus software is a one-click process. Please refer to your software manual for complete instructions.
3. Once updating is finished, run a full system scan. After the scan, delete all infected items. If unable to clean or delete, better place the threat in quarantine.
Step 2: Run another test with online virus scanner
Another way to remove Backdoor.Vinself without the need to install additional antivirus software is to perform a thorough scan with free online virus scanner. It can be found on websites of legitimate antivirus and security provider.
1. Click the button below to proceed to the list of suggested Online Virus Scanner. Choose your desired provider. You can run each scan individually, one at a time, to ensure that all threats will be removed from the computer. This may require plug-ins, add-on or Activex object, please install if you want to proceed with scan.
2. After completing the necessary download, your system is now ready to scan and remove Backdoor.Vinself and other kinds of threats.
3. Select an option in which you can thoroughly scan the computer to make sure that it will find and delete entirely all infections not detected on previous scan.
4. Remove or delete all detected items.
5. When scanning is finished, you may now restart the computer in normal mode.
Alternative Removal Procedures for Backdoor.Vinself
Option 1 : Use Windows System Restore to return Windows to previous state
During an infection, Backdoor.Vinself drops various files and registry entries. The threat intentionally hides system files by setting options in the registry. With these rigid changes, the best solution is to return Windows to previous working state is through System Restore.
To verify if System Restore is active on your computer, please follow the instructions below to access this feature.
Access System Restore on Windows XP, Windows Vista, and Windows 7
a) Go to Start Menu, then under 'Run' or 'Search Program and Files' field, type rstrui.
b) Then, press Enter on the keyboard to open System Restore Settings.
Open System Restore on Windows 8
a) Hover your mouse cursor to the lower left corner of the screen and wait for the Start icon to appear.
b) Right-click on the icon and select Run from the list. This will open a Run dialog box.
c) Type rstrui on the 'Open' field and click on OK to initiate the command.
If previous restore point is saved, you may proceed with Windows System Restore. Click here to see the full procedure.
Option 2 : Backdoor.Vinself manual uninstall guide
IMPORTANT! Manual removal of Backdoor.Vinself 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 Backdoor.Vinself.
- Press Ctrl+Alt+Del on your keyboard.
- When Windows Task Manager appears, look for Backdoor.Vinself 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 using the procedures above.
- Open your anti-virus program and thoroughly run a scan on the computer. Delete/Quarantine all identified threats to remove Backdoor.Vinself effectively.
4. Delete all files dropped by Backdoor.Vinself.
- 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.
Technical ReferenceAssociated Files and Folders:Modified Registry Entries:
Ways to Prevent Backdoor.Vinself Infection
Take the following steps to protect the computer from threats. Suggested tools and security setup within installed software helps prevent the same attack on your PC.