PUP.Optional.Kaobeitu (file analysis)

The PUP.Optional.Kaobeitu 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 PUP.Optional.Kaobeitu virus can do?

• Presents an Authenticode digital signature
• Creates RWX memory
• A process created a hidden window
• Drops a binary and executes it
• Unconventionial binary language: Chinese (Simplified)
• Unconventionial language used in binary resources: Chinese (Simplified)
• The binary likely contains encrypted or compressed data.
• Tries to suspend Cuckoo threads to prevent logging of malicious activity
• A process attempted to delay the analysis task by a long amount of time.
• Tries to unhook or modify Windows functions monitored by Cuckoo
• Attempts to repeatedly call a single API many times in order to delay analysis time
• Installs itself for autorun at Windows startup
• Exhibits possible ransomware file modification behavior
• Checks the version of Bios, possibly for anti-virtualization
• Checks the CPU name from registry, possibly for anti-virtualization
• Collects information to fingerprint the system
• Anomalous binary characteristics

Related domains:

How to determine PUP.Optional.Kaobeitu?

File Info:
crc32: 819929DDmd5: 628e78bc83af83519bdc38d97c7a72c3name: setup_klzip_klzipdate01nodkpk_v1.0_silent.exesha1: 6ade8ba6ba921fc7fc239cc7ed381dbc6801c915sha256: 3abe0e9a9f946b90f4f975855a19d2d0bc1eeea7a2ba849a27aadaca0fea361dsha512: efa4166d77c320004250d7d91607b748e6603b117528155bf36d9048d847a852605c2cbc47e1e1fe39d85f6181dd30d3114aecc33c0809c3c4e479d566aecee9ssdeep: 196608:hHGD+WpX2PQkObi/Ms4rdeqzkiKYWsQSdo/jfZtjHfmWcDnTyFKh1Vl+vNzv:hmSiX2PVCeMPoqvPATjmROuJ+vNztype: PE32 executable (GUI) Intel 80386, for MS Windows
Version Info:
LegalCopyright: Copyright (C) 2019 x4e0ax6d77x840cx683cx7535x5b50x5546x52a1x6709x9650x516cx53f8InternalName: Setup.exeCompanyName: x4e0ax6d77x840cx683cx7535x5b50x5546x52a1x6709x9650x516cx53f8ProductName: x9177x96f7x538bx7f29ProductVersion: 1.0.0.1FileDescription: x9177x96f7x538bx7f29x5b89x88c5x7a0bx5e8fOriginalFilename: Setup.exeTranslation: 0x0804 0x04b0

PUP.Optional.Kaobeitu also known as:

How to remove PUP.Optional.Kaobeitu?

• 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.