What is “Ser.Ursu.8216”?

The Ser.Ursu.8216 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 Ser.Ursu.8216 virus can do?

• SetUnhandledExceptionFilter detected (possible anti-debug)
• Behavioural detection: Executable code extraction – unpacking
• Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Creates RWX memory
• Guard pages use detected – possible anti-debugging.
• Dynamic (imported) function loading detected
• Enumerates running processes
• Expresses interest in specific running processes
• Reads data out of its own binary image
• A process created a hidden window
• CAPE extracted potentially suspicious content
• Executed a command line with /V argument which modifies variable behaviour and whitespace allowing for increased obfuscation options
• 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
• Behavioural detection: Injection (Process Hollowing)
• Executed a process and injected code into it, probably while unpacking
• Code injection with CreateRemoteThread in a remote process
• Deletes its original binary from disk
• Behavioural detection: Injection (inter-process)
• Behavioural detection: Injection with CreateRemoteThread in a remote process
• Collects and encrypts information about the computer likely to send to C2 server
• Creates a hidden or system file
• Collects information to fingerprint the system

How to determine Ser.Ursu.8216?

File Info:
name: 8321580DCCE1B44F85A4.mlwpath: /opt/CAPEv2/storage/binaries/8f3edb385fc5601a7f02a7576e2455b4682deba0ac050a601c757ea29949002ecrc32: 0D848C6Amd5: 8321580dcce1b44f85a4b6997f99d0cdsha1: f881b9c162e33ead822465dc0d0bdf38883ecee2sha256: 8f3edb385fc5601a7f02a7576e2455b4682deba0ac050a601c757ea29949002esha512: 2dfc3ead360ba8a3268f0cad65ada45aaf1ef31303926012d71396be4aff8d0844c7a48fd099e9fbd9c491574f78039b593ba92e910608b23a417c3eabb490d5ssdeep: 6144:Sd3h2Cd1lXktWnvlxXMiUB8O30fCJRCx1Gc+IvcrwWx7ho:Etd1lUo0iM8/1x1adqtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1C874EFD3E190AA2BDD9C37B05A19813CA362131D9B19C1977EC9D0C21AD37C59D3EA8Fsha3_384: 2e422f262140072562f0fde175d59c4f7169c21a2d7949f9242041bdd5a023c43d5c9c28e587dd819ee54da8393b0a1eep_bytes: ff250020400000000000000000000000timestamp: 2014-10-01 11:15:34
Version Info:
Translation: 0x0000 0x04b0Comments: XXNxyLuBLhmuFileDescription: XXNxyLuBLhmuFileVersion: 3.0.0.0InternalName: iZKWxCz.exeLegalCopyright: (C) XXNxyLuBLhmuOriginalFilename: iZKWxCz.exeProductVersion: 3.0.0.0Assembly Version: 3.0.0.0

Ser.Ursu.8216 also known as:

How to remove Ser.Ursu.8216?

• 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.