Trojan.Cryect

2 February 2011 Trojan 0 Comment

Trojan.Cryect is a Trojan that when successfully penetrated the computer will open up a way to accept more threats from a remote host. This Trojan also alters system settings and Windows registry values. Installed antivirus program will have a slight chance of removing Trojan.Cryect if its process remains on Windows start-up.

Damage Level: Medium

Systems Affected: Windows 9x, 2000, XP, Windows Vista

Characteristics

• Trojan.Cryect downloads randomly-selected malicious files from a remote computer.
• It works alongside other malware threats to complete its task on the affected system.

Distribution
Trojan.Cryect typically propagate through various spam operation. It is either in the form of email or Internet campaign. A Trojan.Cryect main task once inside the system is to acquire more malware that cannot be distributed over the said campaign. Having a small size and able to conceal itself from security application, Trojan.Cryect certainly fits e-mail distribution routine. The Trojan will collect contact address from infected PC and mass-mail a copy utilizing the same machine as an SMTP server.

%CurrentFolder%\[THREAT EXECUTABLE FILE NAME].exe
%CurrentFolder%\[THREAT DLL FILE NAME].dll
%System%\qmgstart.dll

1. Temporarily Disable System Restore (Windows Me/XP). [how to]
2. Open your antivirus application and update the virus definition file. This method ensures that your antivirus program can detect even newer variants of Trojan.Cryect

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, better place them in quarantine. Once the scan is complete, please proceed with the next step.

Online Virus Scanner:

Another way to remove Trojan.Cryect without the need to install additional antivirus application is to perform a thorough scan with free online virus scanner that can be found here or on websites of legitimate anti-virus and security provider.

5. Go to Online Virus Scanner list and run a virus scan. This may require plug-ins, add-on or Activex object, please install if you want to proceed with scan.
6. After completing the necessary download, your system is now ready for online virus scanning.
7. 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.
8. Remove or delete all detected items.
9. When scanning is finished you may now restart the computer in normal mode.