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.

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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: 2D8CE475
md5: 8cc36c982bf194e82bd4319c7f28b8bf
name: winupdate.exe
sha1: 3f531039e117aaca129edcf3e8b4a82f3cda0513
sha256: ee8f59f5ecc438242fd6d852a6d40be10fc37b53ccaec43f3cf37228262ddaf0
sha512: 899e0f19d5f9231d1444e30261a4e9ca9530910fa603195c907ec17b3e2f95d91bbcc65971bc5524f6d83995f00b8f66947532b48571555016ac634161e913ef
ssdeep: 12288:GfWI2qRuPUIH8dCFuFfyKi2I583VttM2xf8zZbJgQ/DfKtdI3H5k3Wj3tVBMAtF:Z3FhBAaA3KCGC6ikL0aC4s
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:
LegalCopyright: 
InternalName: 
FileVersion: 1.1.32.00
ProductName: 
ProductVersion: 1.1.32.00
FileDescription: 
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.