Should I remove “Ransom.PolyRansom.B2”?

The Ransom.PolyRansom.B2 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 Ransom.PolyRansom.B2 virus can do?

• Behavioural detection: Executable code extraction – unpacking
• SetUnhandledExceptionFilter detected (possible anti-debug)
• Attempts to connect to a dead IP:Port (2 unique times)
• Creates RWX memory
• Possible date expiration check, exits too soon after checking local time
• Anomalous file deletion behavior detected (10+)
• Dynamic (imported) function loading detected
• Enumerates running processes
• Expresses interest in specific running processes
• Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
• Reads data out of its own binary image
• Manipulates data from or to the Recycle Bin
• A process created a hidden window
• The binary likely contains encrypted or compressed data.
• Authenticode signature is invalid
• A scripting utility was executed
• Uses Windows utilities for basic functionality
• Uses Windows utilities for basic functionality
• A process attempted to delay the analysis task by a long amount of time.
• Created a process from a suspicious location
• Installs itself for autorun at Windows startup
• Installs itself for autorun at Windows startup
• Overwrites multiple files with zero bytes (hex 00) indicative of a wiper
• Deletes executed files from disk
• Attempts to disable UAC
• 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
• Uses suspicious command line tools or Windows utilities

How to determine Ransom.PolyRansom.B2?

File Info:
name: A747173CDC62F6282F16.mlwpath: /opt/CAPEv2/storage/binaries/cfe4ed54323c9baf798d14351440ffd0368c707ba2eff54a2a7d8b1ae142cbb7crc32: 7AE24009md5: a747173cdc62f6282f1608229feb2fdasha1: 08ca4ba1d373ffbcf9ccea9979ba5c7f39b9fce5sha256: cfe4ed54323c9baf798d14351440ffd0368c707ba2eff54a2a7d8b1ae142cbb7sha512: 35b5d583cdaebb886017113d46263a0bb12eb40ac511301995eef897e646f429a29a5b75aa3e5c44227f8917ffc8e293b3a4f9b4ce059a755f4652ffc4f46f56ssdeep: 24576:UIFjcRJNcncCCeT3Kp+YMN/Hr1DpsBFANNPw:UI+RJNccZeT3Kp+tHr1SBPtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1EE85B64E14662E9329AB930DB2C547810F33B123795EAF1B75BA90495FC5E0A7F02F36sha3_384: 055cb1f49d9a9937dc93942a4378b6911896baac9a8e692082af1832468bfd9a2ed3d0f4140a348c8bd5f9ca2a7c6735ep_bytes: 23d903c323f823c80bc1bf872a6c6e33timestamp: 2019-01-01 10:35:08
Version Info:
0: [No Data]

Ransom.PolyRansom.B2 also known as:

How to remove Ransom.PolyRansom.B2?

• 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.