What is “VBS/TrojanDownloader.Agent.WIF”?

The VBS/TrojanDownloader.Agent.WIF 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.

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What VBS/TrojanDownloader.Agent.WIF virus can do?

• SetUnhandledExceptionFilter detected (possible anti-debug)
• Behavioural detection: Executable code extraction – unpacking
• Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution
• Creates RWX memory
• Guard pages use detected – possible anti-debugging.
• 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
• CAPE extracted potentially suspicious content
• Executed a very long command line or script command which may be indicative of chained commands or obfuscation
• 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
• A ping command was executed with the -n argument possibly to delay analysis
• Uses Windows utilities for basic functionality
• A script process created a new process
• A script process initiated network activity
• Creates a hidden or system file
• Attempts to modify proxy settings
• A script or command line contains a long continuous string indicative of obfuscation
• Attempts to execute suspicious powershell command arguments
• A powershell command using multiple variables was executed possibly indicative of obfuscation
• Anomalous binary characteristics

How to determine VBS/TrojanDownloader.Agent.WIF?

File Info:
name: FA4EF665836C069165E5.mlw
path: /opt/CAPEv2/storage/binaries/ceabf9345aaf8f3b41c9b25710ceeb9aa28fb4342ca149049fa4b67cc2725c25
crc32: FAE86CCA
md5: fa4ef665836c069165e5854088f72261
sha1: 015f00b82c7603d39592f43b71aa1ee5ff21ec03
sha256: ceabf9345aaf8f3b41c9b25710ceeb9aa28fb4342ca149049fa4b67cc2725c25
sha512: 67b28c7ec9996df4504658dbce0f1f432923dcd65ced6c89c5425704e86233426bae0d952d08014fb9df15a509696adf5d430663d16ae9a347fa21039d6deb81
ssdeep: 98304:pAI+BHTMPNlqUzta8sZ11q74A7qEvNHCP788dmG81eA:itFwPN0nq7L75vZuqGweA
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1CF0633B8E74184BAE1920F7E485B9665FE34FB866B3CA1CFB7E90B5C8923141171A311
sha3_384: 6fc06ca6474378658f8e01f36b1eef226de3c77e4128186ca61c6803df0d9e5fd9f3eb6b3f49f4495fdf077d9980e72f
ep_bytes: 558bec83c4f0b888534200e824f2fdff
timestamp: 1992-06-19 22:22:17

Version Info:
Comments: 
CompanyName: Movavi                                                      
FileDescription: Movavi Video Suite 22.0.0.0 Installation                    
FileVersion: 22.0.0.0            
LegalCopyright: Movavi                                                                                              
Translation: 0x0409 0x04e4

VBS/TrojanDownloader.Agent.WIF also known as:

How to remove VBS/TrojanDownloader.Agent.WIF?

• 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.