What is “Win32/TrojanDownloader.Autoit.OXZ”?

The Win32/TrojanDownloader.Autoit.OXZ 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 Win32/TrojanDownloader.Autoit.OXZ virus can do?

• A process attempted to delay the analysis task.
• Expresses interest in specific running processes
• Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
• Reads data out of its own binary image
• Drops a binary and executes it
• HTTP traffic contains suspicious features which may be indicative of malware related traffic
• Performs some HTTP requests
• Executed a very long command line or script command which may be indicative of chained commands or obfuscation
• Uses Windows utilities for basic functionality
• A system process is generating network traffic likely as a result of process injection
• Installs itself for autorun at Windows startup
• Exhibits possible ransomware file modification behavior
• Creates a hidden or system file
• Attempts to modify proxy settings
• Uses suspicious command line tools or Windows utilities

How to determine Win32/TrojanDownloader.Autoit.OXZ?

File Info:
crc32: 9C010BB6
md5: f134e2cd9c30b2f344a738ece94cbf80
name: winlogon.exe
sha1: c3b7dfaeed7a5127933bddbd10910f54416ad284
sha256: ea807ed61f18fbdc22a304cf296d21c28f6a77aaf2d08a57c8e01a98684a3a60
sha512: d37ee88847abe4601b62316593e28ae385bee1ed1e33fa351fa11c185da43ff5b322de829c0d07f9c25b9642df8bb33d09b258b4a973dd16972deb90f1e38e37
ssdeep: 24576:kAHnh+eWsN3skA4RV1Hom2KXMmHaSoG515:zh+ZkldoPK8YaS15
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:
LegalCopyright: xa9 Microsoft Corporation. All rights reserved.
InternalName: winlogon
FileVersion: 10.0.17763.1075 (WinBuild.160101.0800)
CompanyName: Microsoft Corporation
ProductName: Microsoftxae Windowsxae Operating System
ProductVersion: 10.0.17763.1075
FileDescription: Windows Logon Application
OriginalFilename: WINLOGON.EXE
Translation: 0x0409 0x04b0

Win32/TrojanDownloader.Autoit.OXZ also known as:

How to remove Win32/TrojanDownloader.Autoit.OXZ?

• 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.