About “Net-Worm.Win32.Kolab.brkk” infection

The Net-Worm.Win32.Kolab.brkk 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 Net-Worm.Win32.Kolab.brkk virus can do?

• Behavioural detection: Executable code extraction – unpacking
• SetUnhandledExceptionFilter detected (possible anti-debug)
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Creates RWX memory
• Anomalous file deletion behavior detected (10+)
• Dynamic (imported) function loading detected
• Reads data out of its own binary image
• Authenticode signature is invalid
• Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
• Exhibits possible ransomware file modification behavior
• Overwrites multiple files with zero bytes (hex 00) indicative of a wiper

How to determine Net-Worm.Win32.Kolab.brkk?

File Info:
name: E25D50DE5606EE2AD3A5.mlwpath: /opt/CAPEv2/storage/binaries/300c2f73342ee2dbe6e4fad5bac5e9315e992593249e69de54c2f74dce504a94crc32: A72F779Dmd5: e25d50de5606ee2ad3a5825ceec37237sha1: e9ebacd3dc59ba46b7ee279aa5ce06def1cd7dfbsha256: 300c2f73342ee2dbe6e4fad5bac5e9315e992593249e69de54c2f74dce504a94sha512: cb69193a72b04fb25d89eac4ce7d092e250f23e9f8cbbc2a0dc2d0b2353700e31b0b8f0e975ea3d923e036e918a39316a0186292ce2fe8c9084674c79c9e328essdeep: 393216:9cwg5zpywjPlK7epmrzr6BOAXlLLB2BopcmgR7:fgZw6PlKacz+UqMsPgdtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T100F633CD8A734313EFC87C3254AA2C01DAB6E01D97B764742A90FA0376DEADD624547Dsha3_384: 6e15e6c7177224f0c7e42307ec7f5ba2decec3af79aa8d098295194e2efb780ae530392aceb06d1f555c6d734d3325d0ep_bytes: 558bec81ec2c0500005356576a015e6atimestamp: 2001-08-13 17:13:38
Version Info:
CompanyName: Stobal ConsultingFileDescription: Retina 4.7.1FileVersion: LegalCopyright: Stobal Consulting

Net-Worm.Win32.Kolab.brkk also known as:

How to remove Net-Worm.Win32.Kolab.brkk?

• 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.