W32.Changeup.C
This page contains data and removal guide to delete W32.Changeup.C from an infected computer. Follow the instruction carefully to get rid of the Trojan instantly.
W32.Changeup.C is a computer worm that usually spreads via removable media devices. It took advantage of the MS Windows Shortcut ‘LNK’ Files Automatic File Execution Vulnerability. W32.Changeup.C also modifies the registry to execute the malicious code each time Windows starts.
Damage Level: Medium
Systems Affected: Windows 9x, 2000, XP, Windows Vista
Characteristics
If W32.Changeup.C is executed on the computer, it makes a copy of the harmful file under UserProfile folder. Then, it makes changes to the Windows registry in an attempt to load itself on Windows start-up and hide its presence on the system.
Next, W32.Changeup.C will attempt to link the infected computer to a remote server and download more files that are malicious in nature. Usually, it directs the Internet traffic to a dangerous web page that is already contaminated with the same infection.
Distribution
The primary method to spread a copy of W32.Changeup.C is via removable drives and network shared drives. It will drop executable files like .EXE and .SCR. Also, it will create .LNK and Autorun.Inf file on the same location that will run the executable file if user access the drive.
How to Remove W32.Changeup.C
NOTE: We suggest that you PRINT or BOOKMARK this guide. There are steps that we may have to restart the computer in order to successfully remove the threat.
Step 1 : Run a scan with your antivirus program
1. Temporarily Disable System Restore if your system is running on Windows Me/XP. [how to]
2. 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. Select Safe Mode with Networking.
- Windows will boot loading only necessary drivers and system files. Expect that it will run with minimal features and low-resolution display.
3. Open your antivirus program and download the most recent update. This method ensures that your antivirus program can detect even newer variants of W32.Changeup.C.
Updating your antivirus software is a one-click process. Please refer to your software manual for complete instructions.
4. 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 W32.Changeup.C 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 W32.Changeup.C 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 W32.Changeup.C
Option 1 : Use Windows System Restore to return Windows to previous state
If W32.Changeup.C 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.Changeup.C infiltrates the PC, we highly encourage you to execute this procedure if none of the above works.
To verify if System Restore is active on your computer, you can type system restore into the Start menu search box. Typing rstrui on the same box and pressing Enter also opens this function.
If previous restore point is saved, you may proceed with Windows System Restore. Click here to see the full procedure.
Option 2 : W32.Changeup.C manual uninstall guide
IMPORTANT! Manual removal of W32.Changeup.C 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.Changeup.C.
- Press Ctrl+Alt+Del on your keyboard.
- When Windows Task Manager appears, look for W32.Changeup.C 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.Changeup.C.
- 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 Reference
Associated Files and Folders:Added Registry Entries:Ways to Prevent W32.Changeup.C 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.
Install an effective anti-malware program
Your first line of defense would be an effective security program that provides real-time protection. We have a list of anti-malware program that are tried and tested. It does not only scan files but also monitors your Internet traffic and is extremely active on blocking malicious communication. Click on the button below to download our recommended anti-malware program.
n30
Feb 23, 2012 @ 11:25:54
Just for record:
in my case, sometimes the “bad process” was named as: “manuex.exe” , “manu.exe” and “sijil.exe”.