About “Trojan.Script.FBStealer” infection

The Trojan.Script.FBStealer is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

What Trojan.Script.FBStealer virus can do?

• SetUnhandledExceptionFilter detected (possible anti-debug)
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Possible date expiration check, exits too soon after checking local time
• Creates RWX memory
• Guard pages use detected – possible anti-debugging.
• Dynamic (imported) function loading detected
• Performs HTTP requests potentially not found in PCAP.
• Unconventionial language used in binary resources: Chinese (Simplified)
• The binary contains an unknown PE section name indicative of packing
• Authenticode signature is invalid
• Uses Windows utilities for basic functionality
• Steals private information from local Internet browsers
• Writes a potential ransom message to disk
• Stack pivoting was detected when using a critical API
• Attempts to modify proxy settings
• Harvests cookies for information gathering
• Anomalous binary characteristics
• Uses suspicious command line tools or Windows utilities

How to determine Trojan.Script.FBStealer?

File Info:
name: A393C62F3A13B69D62A8.mlwpath: /opt/CAPEv2/storage/binaries/3db5f9c6731cf69c48d5b3c821849f70595c25337767259de37ff590b6f178b8crc32: 2C88D23Bmd5: a393c62f3a13b69d62a89f49ebec0360sha1: 88777a9bfaa39f06268e5b525a4763770ae1e4a5sha256: 3db5f9c6731cf69c48d5b3c821849f70595c25337767259de37ff590b6f178b8sha512: 1f55357c76c0a2e2ff500e53e14a8863adee2097e2b39c912e10307639586e90cb8273874fcabd9e8c28f6eaf847b083265aae6cad3f1bd09938eaf5c858e385ssdeep: 24576:LEpfLmZkUtN/Wy+jtYkQkbF7vZjnYdG/9QDkmhxBXDrFJARQ3gwXg:IpylrKY2G4+xTBXDrFJiWDXgtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1C4658E13FE42E0B6E8E3047381BF46FB9D2FE9110B2854EF93C419695A615E33B36526sha3_384: c3886923b568fe8ff4bebc8c763c5625b53e096c62a128fcda2204ad951d81757cf445f8bceb28e00c90680b37bbfd5fep_bytes: e899040000e974feffff836104008bc1timestamp: 2021-12-08 05:41:12
Version Info:
FileVersion: 1.0.0.1LegalCopyright: Copyright (C) 2019ProductVersion: 1.0.0.1Translation: 0x0409 0x04b0

Trojan.Script.FBStealer also known as:

How to remove Trojan.Script.FBStealer?

• Download and install GridinSoft Anti-Malware.
• Open GridinSoft Anti-Malware and perform a “Standard scan“.
• “Move to quarantine” all items.
• Open “Tools” tab – Press “Reset Browser Settings“.
• Select proper browser and options – Click “Reset”.
• Restart your computer.