Backdoor.Win32.Agent.myudfb (file analysis)

The Backdoor.Win32.Agent.myudfb 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 Backdoor.Win32.Agent.myudfb virus can do?

• Executable code extraction
• Injection (inter-process)
• Injection (Process Hollowing)
• Possible date expiration check, exits too soon after checking local time
• Creates RWX memory
• A process attempted to delay the analysis task.
• Attempts to connect to a dead IP:Port (20 unique times)
• At least one IP Address, Domain, or File Name was found in a crypto call
• A named pipe was used for inter-process communication
• Starts servers listening on 0.0.0.0:0
• Expresses interest in specific running processes
• 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
• Looks up the external IP address
• Executed a very long command line or script command which may be indicative of chained commands or obfuscation
• A scripting utility was executed
• Uses Windows utilities for basic functionality
• Detects Sandboxie through the presence of a library
• Detects Avast Antivirus through the presence of a library
• Executed a process and injected code into it, probably while unpacking
• Checks for the presence of known windows from debuggers and forensic tools
• Steals private information from local Internet browsers
• Network activity contains more than one unique useragent.
• Installs itself for autorun at Windows startup
• Creates a hidden or system file
• Checks the version of Bios, possibly for anti-virtualization
• Detects VirtualBox through the presence of a registry key
• Attempts to modify proxy settings
• Attempts to disable Windows Defender
• Attempts to create or modify system certificates
• Collects information to fingerprint the system
• Anomalous binary characteristics
• Uses suspicious command line tools or Windows utilities

Related domains:

How to determine Backdoor.Win32.Agent.myudfb?

File Info:
crc32: 2E001E6Amd5: 6ca92899c290d5bfedefdbeefe901d11name: 6CA92899C290D5BFEDEFDBEEFE901D11.mlwsha1: ffb1a17bf8775ace4f97396a0a22e80a6a9fe409sha256: f63fc658063eeba3ad2b29beffc1cb7c4e2183fd838767459216533263271e30sha512: 25e23d1a656e32504017e68a4de0b991dc7b8b54e85095e46ce0fcc8a93eeb02f0a40e964f71e787298522f8f52b03e6f93a31af0dc9dbeecdaa14364d487d1essdeep: 98304:yYtjpSGv3/TnyVEUKwunZHyHHb0KEKIXR/M7Fg93A8Sl7B00Q7U5uK:yYtNTvUKw4ZSHHQ6IX6Ca8StC02QuKtype: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
Version Info:
0: [No Data]

Backdoor.Win32.Agent.myudfb also known as:

How to remove Backdoor.Win32.Agent.myudfb?

• 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.