Trojan-Downloader.Win32.Himera (file analysis)

The Trojan-Downloader.Win32.Himera 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 Trojan-Downloader.Win32.Himera virus can do?

• Executable code extraction
• Presents an Authenticode digital signature
• Creates RWX memory
• Attempts to connect to a dead IP:Port (5 unique times)
• Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
• Reads data out of its own binary image
• A process created a hidden window
• Drops a binary and executes it
• HTTP traffic contains suspicious features which may be indicative of malware related traffic
• Performs some HTTP requests
• Uses Windows utilities for basic functionality
• Detects SunBelt Sandbox through the presence of a library
• Detects Sandboxie through the presence of a library
• Detects Avast Antivirus through the presence of a library
• Network activity contains more than one unique useragent.
• Attempts to modify proxy settings
• Anomalous binary characteristics
• Uses suspicious command line tools or Windows utilities

Related domains:

How to determine Trojan-Downloader.Win32.Himera?

File Info:
crc32: 2D8CE475md5: 8cc36c982bf194e82bd4319c7f28b8bfname: winupdate.exesha1: 3f531039e117aaca129edcf3e8b4a82f3cda0513sha256: ee8f59f5ecc438242fd6d852a6d40be10fc37b53ccaec43f3cf37228262ddaf0sha512: 899e0f19d5f9231d1444e30261a4e9ca9530910fa603195c907ec17b3e2f95d91bbcc65971bc5524f6d83995f00b8f66947532b48571555016ac634161e913efssdeep: 12288:GfWI2qRuPUIH8dCFuFfyKi2I583VttM2xf8zZbJgQ/DfKtdI3H5k3Wj3tVBMAtF:Z3FhBAaA3KCGC6ikL0aC4stype: PE32 executable (GUI) Intel 80386, for MS Windows
Version Info:
LegalCopyright: InternalName: FileVersion: 1.1.32.00ProductName: ProductVersion: 1.1.32.00FileDescription: OriginalFilename: Translation: 0x0409 0x04b0

Trojan-Downloader.Win32.Himera also known as:

How to remove Trojan-Downloader.Win32.Himera?

• 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.