Worm:Win32/Esfury malicious file

The Worm:Win32/Esfury 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 Worm:Win32/Esfury virus can do?

• Executable code extraction
• Injection (inter-process)
• Injection (Process Hollowing)
• Presents an Authenticode digital signature
• Creates RWX memory
• Possible date expiration check, exits too soon after checking local time
• A process attempted to delay the analysis task.
• Attempts to connect to a dead IP:Port (22 unique times)
• Reads data out of its own binary image
• Attempts to modify Internet Explorer’s start page
• HTTP traffic contains suspicious features which may be indicative of malware related traffic
• Performs some HTTP requests
• Unconventionial language used in binary resources: Spanish (Peru)
• The binary likely contains encrypted or compressed data.
• Uses Windows utilities for basic functionality
• Executed a process and injected code into it, probably while unpacking
• Steals private information from local Internet browsers
• A system process is generating network traffic likely as a result of process injection
• Network activity contains more than one unique useragent.
• Installs itself for autorun at Windows startup
• Creates a hidden or system file
• Attempts to modify proxy settings
• Operates on local firewall’s policies and settings
• Creates a copy of itself
• Attempts to disable System Restore
• Attempts to disable UAC
• The sample wrote data to the system hosts file.
• Attempts to modify or disable Security Center warnings
• Attempts to modify UAC prompt behavior
• Anomalous binary characteristics
• Attempts to modify Explorer settings to prevent file extensions from being displayed
• Attempts to modify Explorer settings to prevent hidden files from being displayed

Related domains:

How to determine Worm:Win32/Esfury?

File Info:
crc32: 1F6B70E0md5: a8e7a9ab838e2cdd2d7a2f4dd49af190name: A8E7A9AB838E2CDD2D7A2F4DD49AF190.mlwsha1: 8058431ccd946d4586923c5976bc4e13c1bf2f19sha256: 4de9d63fb103eb2eae99d9428c35597ed20f8e354cec8c899738a8a5c2d9391fsha512: 89067d81e4a080200c1879a2db59c2f06cbef898a36ebec84fe1485f17a10f09147ccc6d76de8d1cdd43c70584c4e78f052b6660e21e4bbc05c3347016ab071cssdeep: 1536:JNhENNo2oa5pHwAVvu0IysOPv3YdI3EpCK+V5iR/yKoDn66XujshkGXE7rFKh:JgN5ogyJ0XgdsEIKlyKo26Jkj7rFtype: PE32 executable (GUI) Intel 80386, for MS Windows
Version Info:
0: [No Data]

Worm:Win32/Esfury also known as:

How to remove Worm:Win32/Esfury?

• 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.