Fareit is a password and credential stealer, it sends these collected information to a compromised server.
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.
The password stealer module used by Fareit is delivered through a multi-stage trojan downloader. This downloader typically infiltrates a system via an attachment in a malicious email.
The stealer module arrives as an .exe or a .dll file, and is later launched by the same downloader module that it came with.
Fareit queries the Process Environment Block (PEB) structure and checks if the process is being debugged. If debugging does take place, the target address will be overwritten with invalid value, causing access violation exception when it is called upon.
Upon execution, Fareit will proceed to collect usernames and passwords stored on particular applications.
It looks for applications associated with the following programs:
These collected information will be encrypted first before they are transmitted to a compromised server.
Certain variants of Fareit is capable of downloading additional malware payload.
This malware enumerates active user and carries out brute
forcing capabilities based on the password list it has.
After successfully logging in, it will then proceed to execute
its password stealer function.
Some variant of Fareit may also imitate other RDP utilities’ mutexes to mask its execution in the background. Once the execution is completed, it will delete itself.
Analysis on files: