AIT:Trojan.Nymeria.4751 (B) (file analysis)

The AIT:Trojan.Nymeria.4751 (B) 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 AIT:Trojan.Nymeria.4751 (B) virus can do?

• SetUnhandledExceptionFilter detected (possible anti-debug)
• Behavioural detection: Executable code extraction – unpacking
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Creates RWX memory
• Possible date expiration check, exits too soon after checking local time
• Anomalous file deletion behavior detected (10+)
• Dynamic (imported) function loading detected
• Reads data out of its own binary image
• CAPE extracted potentially suspicious content
• Authenticode signature is invalid
• Behavioural detection: Injection (Process Hollowing)
• Executed a process and injected code into it, probably while unpacking
• Code injection with CreateRemoteThread in a remote process
• Deletes its original binary from disk
• Sniffs keystrokes
• Behavioural detection: Injection (inter-process)
• Behavioural detection: Injection with CreateRemoteThread in a remote process
• A process attempted to delay the analysis task by a long amount of time.
• Created a process from a suspicious location
• Installs itself for autorun at Windows startup
• CAPE detected the CyberGate malware family
• Creates a copy of itself
• Creates known SpyNet mutexes and/or registry changes.
• Anomalous binary characteristics

How to determine AIT:Trojan.Nymeria.4751 (B)?

File Info:
name: 417089D50502996ABE8A.mlwpath: /opt/CAPEv2/storage/binaries/0f5c958a6f133511f800642ed90823a0ea8213f4b36f38c7a55595291b066c21crc32: 6D7A05DCmd5: 417089d50502996abe8a4f9370dda883sha1: a6c5e9150292626667bbc7913dfefc0905487386sha256: 0f5c958a6f133511f800642ed90823a0ea8213f4b36f38c7a55595291b066c21sha512: 87a5dc980fbd9f44e3bff3d5ea0acb808664f9728255febfd11f0db165197fc7dee42abf2f24b6a5e70fbae07ced3f3c6ed66473d7edcda0098d94572585d2edssdeep: 24576:aRmJkcoQricOIQxiZY1iaEPb1GRC3LNUfR:/JZoQrbTFZY1iaEPb1vNUfRtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1A135C021B5C58076C2F327B1DD7EF76A963D79260336D29B37C82E365EA00416B29723sha3_384: eb1ec926618b2080c5e26a945bd025440490ab6d81957f0d2ad65d7fefbb277a14b94b27b54f007ed3022cc9899bdf6bep_bytes: e816900000e989feffffcccccccccc55timestamp: 2012-01-29 21:32:28
Version Info:
FileDescription: FileVersion: 3, 3, 8, 1CompiledScript: AutoIt v3 Script: 3, 3, 8, 1Translation: 0x0809 0x04b0

AIT:Trojan.Nymeria.4751 (B) also known as:

How to remove AIT:Trojan.Nymeria.4751 (B)?

• 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.