Contents of this article pertain toTrojan.Crypt.UZD. This page includes description, technical aspects, and removal guide to delete the threat from your computer.
Trojan.Crypt.UZD is a deadly Trojan that will download additional malicious programs on infected computer and attempts to communicate with other systems in a network or across the Internet and transmit information. Trojan.Crypt.UZD is a detection for malicious file that were intentionally encrypted in order to hide themselves from antivirus programs.
Damage Level: Medium
Systems Affected: Windows 9x, 2000, XP, Windows Vista
When run, Trojan.Crypt.UZD will infect Windows legitimate system file “C:\\WINDOWS\system32\svchost.exe” to run itself when Windows starts. The file svchost.exe will run on every Windows start-up to check registry part that corresponds to services necessary to load. There is a possibility that multiple instances of svchost.exe are running at the same time.
Authors of Trojan.Crypt.UZD encrypt the Trojan using a packer not commonly utilized for commercial and legitimate purposes. The intention is to conceal the Trojan from antivirus detection and silently perform its tasks on target computer.
Trojan.Crypt.UZD usually spread by means of another Trojan infection. When residing on the computer, it will communicate with a remote server to download additional threat. Recent observation shows that Trojan.Crypt.UZD is used to spread a copy of rogue security software.
This Trojan only targets one legitimate system file and was not designed to infect other files inside the PC. It has no capability to compromise other computers within a network. Trojan.Crypt.UZD will not spread by any means except from online transmission.
How to Remove Trojan.Crypt.UZD
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 Trojan.Crypt.UZD.
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 Norton Power Eraser
1. Click on the button below to download Norton Power Eraser from official web site. Save it to your desktop or any location of your choice.
4. Once the file is downloaded, navigate its location and double-click on the icon (NPE.exe) to launch the program.
5. Norton Power Eraser will run. If it prompts for End User License Agreement, please click on Accept.
6. On NPE main window, click on Advanced. We will attempt to remove Trojan.Crypt.UZD components without restarting the computer.
9. On next window, select System Scan and click on Scan now to perform standard scan on your computer.
10. NPE will proceed with the scan. It will search for Trojans, viruses, and malware like Trojan.Crypt.UZD. This may take some time, depending on the number of files currently stored on the computer.
11. When scan is complete. All detected risks are listed. Remove them and restart Windows if necessary.
Alternative Removal Methods for Trojan.Crypt.UZD
Option 1 : Use Windows System Restore to return Windows to previous state
If Trojan.Crypt.UZD 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 Trojan.Crypt.UZD 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.
Ways to Prevent Trojan.Crypt.UZD 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.