Retefe is a banking trojan that redirects its victim to a fake or a phishing banking URL in order to steal login credentials.
It installs a fake root certificate and a Tor client on the victim’s machine and change the network proxy which resulted in the victim being redirected to a fake banking URL through the Tor network when visiting certain banking URLs.
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 detection database 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.
Upon execution, Retefe will install a fake root certificate and a Tor client, and then change the proxy and internet settings on the infected machine
Retefe typically gets into a system when the victim inadvertently opens a malicious file attachment that arrives via a spam email.
Retefe has been found to install a fake root certificate with sha1: a0050ba4163e64178600f0970a2cad9b2c13088b onto the machine it infected.
Once the certificate has been installed, it terminates processes used by web browsers using the following command:
To achieve persistence, Retefe creates automated tasks with random names in Task Scheduler containing these values:
It also creates the following shortcut files in the startup folder:
Retefe creates a log file which it then uploads to an external server.
The log file contains the following information:
Retefe drops these files into C:\\ProgramData\:
The URL is specified to:
It checks for these IP address on the victim’s machine:
Domains used in Tor communication:
Date Created: 11/10/2019
Date Last Modified: -