Summary
Breplibot.AE is a backdoor with bot capabilities. It connects to several IRC servers and waits for commands from the backdoor author.
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
System installation
The backdoor's file is a PE executable about 30 kilobytes long, packed with UPX file compressor.When the backdoor's file is started, it copies itself as 'svcsvh32.exe' file to Windows System folder and then tries to create the following startup key values in the Registry:
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
- [HKLM\Software\Microsoft\Windows\CurrentVersion\Run] "WindowsDiskE" = "svcsvh32.exe"
Bot functionality
When the backdoor is active, it connects to an IRC server, and joins a certain channel then acts as a bot there.The following IRC servers and ports are used by the backdoor:
- 152.7.4.74:8080
- 161.6.23.28:8080
- 170.140.216.236:8080
- 170.140.240.82:8080
- 128.119.60.144:8080
The backdoor joins the following password-protected IRC channel:
- #info
A hacker can send commands to the bots to control infected computers. Several tasks can be performed, including the following:
- - Download and execute files from remote servers
- - Request system information
- - Delete files
Payload
Breplibot.AE tries to terminate several security-related processes.
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