Backdoor.Solidrat
Backdoor.Solidrat is a computer Trojan that is known to create a backdoor port on infected computer. Backdoor.Solidrat also steals sensitive information and sends gathered data to a remote location. This Trojan can override certain system configuration by injecting a code on legitimate system process.
Damage Level: Medium
Systems Affected: Windows 9x, 2000, XP, Windows Vista
Characteristics
- Steals confidential information by recording key presses.
- Backdoor.Solidrat will connect to a remote computer to download and execute malicious files.
- This Trojan will steal passwords used in instant messaging applications and web browser.
- It will search for specific files on compromised computer.
- May function as an IRC bot to receive commands from a remote computer.
Distribution
The Trojan spreads in a way that it represents itself as a useful file on a spam email messages. Opening the attached file will initiate the Trojan and begins to infect files on the system. Although Backdoor.Solidrat is not capable to replicate, its file-infecting mechanism may contaminate files on local and network drives.
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\"Windows Task Manager" = "%UserProfile%\Application Data\Windows Task Manager\taskmgr.exe" HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\WindowsName\"ID" = "fahey"Associated Files and Folders:
%UserProfile%\Application Data\Windows Task Manager\taskmgr.exe %UserProfile%\Application Data\Windows Task Manager\taskmgr.txt %UserProfile%\Application Data\bin.txt
How to Remove Backdoor.Solidrat
1. Temporarily Disable System Restore (Windows Me/XP). [how to]
2. To be able to identify even the most recent variant of Backdoor.Solidrat, 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 Norton Power Eraser:
Additional virus removal tool like Norton Power Eraser provides deep scanning technology to eliminate other threats not detected by a normal virus scan. Use this tool with extra caution.
5. Go to this link and download Norton Power Eraser.
6. Once the download completes, double click on the file NPE.exe to run the program.
7. It will prompt for End User License Agreement, click on Accept to continue.
8. On NPE main window, click on Scan. Then select Exclude Rootkit Scan. Click on Continue to proceed.
9. Virus scanning may take some time. After running the scan, NPE will display the scan result.
Important! If there are any detected threats under Suspicious, remove the check mark. Only threats in Detected category are necessary to remove at this point. Make sure that you mark the Create System Restore Point before proceeding with the fix.
10. Now click on Fix to start removing the threats including Backdoor.Solidrat remnants if there are any.
11. When done, Norton Power Eraser will restart the computer. Then after a reboot, it will initialize and display the eliminated threats.
12. You may now close Norton Power Eraser.