Summary
The RCServ is a backdoor - hacker's remote access tool. The backdoor consists of a server and of a client part. The server part should be installed on some computer so that a hacker could access it using a client part. The server part provides a hacker with information about an infected system, user actions and it also allows him to get a limited access to data on an infected computer. The RCServ backdoor server allows multiple connections, so several hackers can use the same server at the same time.
Removal
Based on the settings of your F-Secure security product, it will either move the file to the quarantine where it cannot spread or cause harm, or remove it.
A False Positive is when a file is incorrectly detected as harmful, usually because its code or behavior resembles known harmful programs. A False Positive will usually be fixed in a subsequent database update without any action needed on your part. If you wish, you may also:
Check for the latest database updates
First, check if your F-Secure security program is using the latest updates, then try scanning the file again.
Submit a sample
After checking, if you still believe the file is incorrectly detected, you can submit a sample of it for re-analysis.
Note: If the file was moved to quarantine, you need to collect the file from quarantine before you can submit it.
Exclude a file from further scanning
If you are certain that the file is safe and want to continue using it, you can exclude it from further scanning by the F-Secure security product.
Note: You need administrative rights to change the settings.
Technical Details
The following information can be obtained using RCServ backdoor:
1. Basic system information and network configuration 2. Network passwords (for shares) 3. All keyboard activities (keylogger DLL is dropped by the backdoor) 4. Screenshot of desktop window (realtime mode also possible) 5. Backdoor sessions info (to see other sessions of the server) 6. Active processes list 7. Log of backdoor server usage 8. Backdoor server configuration settings
Other features include:
1. FTP server control 2. File manager 3. Upgradeing of server component 4. Downloading files from the WEB 5. NetBios scanner 6. UDP flooding 7. Service manager 8. Keylogging 9. Network pinging 10. Network port scanning 11. Playing tricks (swapping mouse buttons, killing windows,running screensaver, etc.) 12. Proxy control
All files detected as Backdoor.RCServ should be deleted from an infected system. If some files are locked while Windows is active, they should be deleted from pure DOS (in case of Windows 9x system) or renamed with a different extensions (.EXA for example) with further system restart (in case of NT-based system).
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