Should I remove “Win32/TrojanDropper.Autoit.VA”?

The Win32/TrojanDropper.Autoit.VA 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 Win32/TrojanDropper.Autoit.VA virus can do?

• SetUnhandledExceptionFilter detected (possible anti-debug)
• Behavioural detection: Executable code extraction – unpacking
• At least one process apparently crashed during execution
• Attempts to connect to a dead IP:Port (1 unique times)
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Creates RWX memory
• Anomalous file deletion behavior detected (10+)
• Guard pages use detected – possible anti-debugging.
• A process attempted to delay the analysis task.
• Dynamic (imported) function loading detected
• A named pipe was used for inter-process communication
• Starts servers listening on 127.0.0.1:0
• Enumerates running processes
• Reads data out of its own binary image
• Unconventionial binary language: Chinese (Simplified)
• Unconventionial language used in binary resources: Chinese (Simplified)
• Authenticode signature is invalid
• Uses Windows utilities for basic functionality
• Behavioural detection: Injection (inter-process)
• Created a process from a suspicious location
• A possible heap spray exploit has been detected
• Collects and encrypts information about the computer likely to send to C2 server
• Creates a hidden or system file
• Attempts to modify proxy settings
• Harvests cookies for information gathering
• Anomalous binary characteristics

How to determine Win32/TrojanDropper.Autoit.VA?

File Info:
name: 651232A5829AE5FE8697.mlwpath: /opt/CAPEv2/storage/binaries/2b030ee7723c66bfc6ccd895f46fb36759b54a17d61f55ed9f6f15f760f4cefecrc32: BCCB68DDmd5: 651232a5829ae5fe86979e93f5cdcb2bsha1: 39f0e39a339ca1fb16825f0061bef1ebafabe7casha256: 2b030ee7723c66bfc6ccd895f46fb36759b54a17d61f55ed9f6f15f760f4cefesha512: 1a9cc3ded51a5145d5435c24331ded4e2b91e286a7c2508c2711dc011f58d38673059cd503b297bffa27eec8273812a67379a56e64f284cd98143a4b596cc1a5ssdeep: 196608:cVq//DjIHkXrc8PU+kXmp2n5BnaB77+qMpmeCgeiUdf5QCoxSPclOtUX54PxFFFT:cWFbcj2p6zcEpmeIMzxkc7uPPLTtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1CED6331277D281BBE8A338B2165BE3A7F735691D53228287A3E03F769E552004F37761sha3_384: d1a9a9563c1b7b50535196c829c197203c0980101d5ed6aee0e9980ef7b468968887ee0f0e51be73b3086d384ac69336ep_bytes: e8a7c00000e979feffffcccccccccccctimestamp: 2010-04-16 07:47:33
Version Info:
FileVersion: 3.3.6.1Translation: 0x0804 0x04b0

Win32/TrojanDropper.Autoit.VA also known as:

How to remove Win32/TrojanDropper.Autoit.VA?

• 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.