VBS/TrojanDownloader.Agent.PSI removal guide

The VBS/TrojanDownloader.Agent.PSI 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 VBS/TrojanDownloader.Agent.PSI virus can do?

• SetUnhandledExceptionFilter detected (possible anti-debug)
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Dynamic (imported) function loading detected
• Performs HTTP requests potentially not found in PCAP.
• Reads data out of its own binary image
• A process created a hidden window
• A HTTP/S link was seen in a script or command line
• Unconventionial language used in binary resources: Russian
• The binary contains an unknown PE section name indicative of packing
• Authenticode signature is invalid
• A scripting utility was executed
• Uses Windows utilities for basic functionality
• Attempts to modify desktop wallpaper
• Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
• Installs itself for autorun at Windows startup
• A script process created a new process
• Creates a hidden or system file
• Uses suspicious command line tools or Windows utilities

How to determine VBS/TrojanDownloader.Agent.PSI?

File Info:
name: 25CBAB06A2B503EA9D0D.mlwpath: /opt/CAPEv2/storage/binaries/6d7d54d8ab8e09c983fb61755eeae0bd218d4036c75a5a90eb8338f5a734032acrc32: DB4848ECmd5: 25cbab06a2b503ea9d0d27851ccc0792sha1: 90c871a32339b795be58bd66a3060a752b7ea2bfsha256: 6d7d54d8ab8e09c983fb61755eeae0bd218d4036c75a5a90eb8338f5a734032asha512: 197e4b47cd48082766f19c346e8d3cc31bb6dbe96602e5401a3bd183b02f1053c62a1ba5643a01fb27e0d2d733dbebd65cd9b7695a672df12084061fba1415f0ssdeep: 6144:v0/I+cMNG0VFahXTApMtZy2+k4nzWfSvtnJB:czNGgFeDQ8OzWqvtnJBtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T19A749E93FEC18572C4625431E409D732993ABFA00AA4C89BA7EC3D7E7635092512DF3Bsha3_384: 49af8095313748d5ed42e910c87144e9596f70a9e7da41261db825caa9d10c9b74f0e5ad3c36b0514f8b027e23a0ded5ep_bytes: e8ce040000e98efeffff3b0db8914300timestamp: 2017-05-23 11:58:46
Version Info:
0: [No Data]

VBS/TrojanDownloader.Agent.PSI also known as:

How to remove VBS/TrojanDownloader.Agent.PSI?

• 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.