Win32/Filecoder.OBQ removal guide

The Win32/Filecoder.OBQ 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 Win32/Filecoder.OBQ virus can do?

• SetUnhandledExceptionFilter detected (possible anti-debug)
• Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution
• Creates RWX memory
• Checks adapter addresses which can be used to detect virtual network interfaces
• Possible date expiration check, exits too soon after checking local time
• Dynamic (imported) function loading detected
• Performs HTTP requests potentially not found in PCAP.
• Reads data out of its own binary image
• Manipulates data from or to the Recycle Bin
• A process created a hidden window
• Attempted to write to a harddisk volume
• Executed a very long command line or script command which may be indicative of chained commands or obfuscation
• The binary contains an unknown PE section name indicative of packing
• The binary likely contains encrypted or compressed data.
• Authenticode signature is invalid
• Uses Windows utilities for basic functionality
• Writes a potential ransom message to disk
• Likely installs a bootkit via raw harddisk modifications
• Installs itself for autorun at Windows startup
• Creates a hidden or system file
• Attempts to modify proxy settings
• Creates a copy of itself
• Uses suspicious command line tools or Windows utilities

How to determine Win32/Filecoder.OBQ?

File Info:
name: 207E6F51489A89799188.mlwpath: /opt/CAPEv2/storage/binaries/0dc0da0739b227a9dae83be93d1b232c645dbffc7499709ae05c4ffa1bf44000crc32: 4DED7CBDmd5: 207e6f51489a897991888a38efa3acd6sha1: 1fb9b8115d74cf38d6a90b9049c73ea6eb743643sha256: 0dc0da0739b227a9dae83be93d1b232c645dbffc7499709ae05c4ffa1bf44000sha512: 04ccdb65893feae417da5f43b252616dd8c20629e82a63bcd20ca34d0ea8a7b0823ba3425f9c5c5d7010b6ed8be524b430677500bf1b9306173089afd76d8140ssdeep: 3072:F/ZYDaoAN6vHt5pmXcQ8QAjD44vcbl4ewhp891H9EZfTd3zHZ0DELbTI:qlmXcQHA0JdSpq1eV50DErItype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T10FD37E10E9D690F1DDAB0FB995FA29FE50312A308735A2F7EBD54E94C9336C2D235221sha3_384: ee783dc13aacf76435dda4f2088abcd3e73aed789e6fe513dcf2bcdb241c6d787b60f24b5adc6eb9d19729ee1a77fc52ep_bytes: 558bec681c01000068884c4200e82ef6timestamp: 2022-01-25 16:58:49
Version Info:
0: [No Data]

Win32/Filecoder.OBQ also known as:

How to remove Win32/Filecoder.OBQ?

• 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.