About “Trojan-Dropper.Win32.Agent.tetubz” infection

The Trojan-Dropper.Win32.Agent.tetubz 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.tetubz 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
• Creates RWX memory
• 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
• 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
• Attempted to write directly to a physical drive
• 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
• Collects information to fingerprint the system
• Uses suspicious command line tools or Windows utilities

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

File Info:
name: B22617E32290287A9BBF.mlw
path: /opt/CAPEv2/storage/binaries/82c0f52bf8645188c7ff165b3545f07f3c4edc7f16a7c62c0037313219c333f4
crc32: E17AF938
md5: b22617e32290287a9bbf67d22283703d
sha1: b49da5c7f2a92c3e3a255920a43118c46020a1d7
sha256: 82c0f52bf8645188c7ff165b3545f07f3c4edc7f16a7c62c0037313219c333f4
sha512: 8f38d57e917ac398b6665dc0a207231526aae54aeb11cd1611f570366473e77cc39e661d22348ac5404c9bb5bca84c769eba9bff241c1a86068905f3dfa8f133
ssdeep: 196608:91OWapZzF99ciSHhim5BDjJpbnbeSiyIcnsZZqBHAi0:3OWKzz9NSHkm5BT6vyIcnsOZP0
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T19856332572B2C977F14D1839C2412BC6F9A6ED2D19150C2333E9AE3D3F3A9ADD167206
sha3_384: 1c6b6b15d6f1cad36a14a7d074a86ec6180eacc99a31fa208e5dc466f0c82420557a8abc066a2e7858f9a276a9b88b6b
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.tetubz also known as:

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

• 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.