Trojan-Dropper.Win32.Agent.tetvnl (file analysis)

The Trojan-Dropper.Win32.Agent.tetvnl 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 Trojan-Dropper.Win32.Agent.tetvnl 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
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Guard pages use detected – possible anti-debugging.
• Dynamic (imported) function loading detected
• 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
• Drops a binary and executes it
• 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
• Uses Windows utilities for basic functionality
• Detects VirtualBox using WNetGetProviderName trick
• Installs itself for autorun at Windows startup
• Checks the version of Bios, possibly for anti-virtualization
• Appears to use command line obfuscation
• A script or command line contains a long continuous string indicative of obfuscation
• Attempts to disable Windows Defender
• Attempts to execute suspicious powershell command arguments
• Uses suspicious command line tools or Windows utilities

How to determine Trojan-Dropper.Win32.Agent.tetvnl?

File Info:
name: 27BDD3503148B8B5E904.mlw
path: /opt/CAPEv2/storage/binaries/feeacad31f02933bcda52474e384fabc5d002bcdcec7b0a838c6ca7edb5e6f86
crc32: 57C00C3C
md5: 27bdd3503148b8b5e904610cc01c0e4c
sha1: 9518f8eb101fbbd8ada9ed130d06918ef18bff08
sha256: feeacad31f02933bcda52474e384fabc5d002bcdcec7b0a838c6ca7edb5e6f86
sha512: b9230b88c2b1cb175f3ebb6676b2a3035903c1113fde07762fe6a731c76b72be2723d303dca2e6c532f7e6966430f001124c3fc86320c2d9a149b8b32aa10f63
ssdeep: 196608:91OG7fkWcwXm1i94Gikm+8UjlqNhZDFEToSXQs1wx:3O+cWcwXJ9HpqNXaT/Q/
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T18266333B74F0AA7CF6F681B34B9029F4E0B6C63A1E14407FB396459CAA3EB55C044AD5
sha3_384: 03867817433e28599642ac8024c16f015e7884889520818a1affc5f6f166b980734028e5443ffb95ccbb2b1bf5845f30
ep_bytes: 558bec6aff68e0b94100682c4a410064
timestamp: 2010-11-18 16:27:35

Version Info:
CompanyName: Igor Pavlov
FileDescription: 7z Setup SFX
FileVersion: 9.20
InternalName: 7zS.sfx
LegalCopyright: Copyright (c) 1999-2010 Igor Pavlov
OriginalFilename: 7zS.sfx.exe
ProductName: 7-Zip
ProductVersion: 9.20
Translation: 0x0409 0x04b0

Trojan-Dropper.Win32.Agent.tetvnl also known as:

How to remove Trojan-Dropper.Win32.Agent.tetvnl?

• 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.