Should I remove “Win32/Kovter.B”?

The Win32/Kovter.B 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/Kovter.B virus can do?

• Behavioural detection: Executable code extraction – unpacking
• Sample contains Overlay data
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• CAPE extracted potentially suspicious content
• Unconventionial language used in binary resources: Basque
• The binary likely contains encrypted or compressed data.
• Authenticode signature is invalid
• Behavioural detection: Injection (Process Hollowing)
• Behavioural detection: Injection (inter-process)
• Behavioural detection: Injection with CreateRemoteThread in a remote process
• Attempts to identify installed analysis tools by registry key
• Checks the version of Bios, possibly for anti-virtualization
• Checks the presence of disk drives in the registry, possibly for anti-virtualization
• Detects VirtualBox through the presence of a file
• Detects VirtualBox through the presence of a registry key
• Detects VMware through the presence of a file
• Detects VMware through the presence of a registry key
• Detects Virtual PC through the presence of a file
• Detects Virtual PC through the presence of a registry key
• Attempts to modify browser security settings
• Collects information to fingerprint the system
• Anomalous binary characteristics

How to determine Win32/Kovter.B?

File Info:
name: 65CB7665F6FDA652D59B.mlwpath: /opt/CAPEv2/storage/binaries/3c87fc40bea78e0986007e1520ad68a6964ab2957ac08f45f68c149996ab86eecrc32: 1D6C22E9md5: 65cb7665f6fda652d59b1a85a88cb2ebsha1: 0b20bbdb3a76bbfa59029dffad38478a9dcf92afsha256: 3c87fc40bea78e0986007e1520ad68a6964ab2957ac08f45f68c149996ab86eesha512: fa193dca12ee97b84751501371d7f1c0b0740e890c9c5a1e5847149768c1c70c149ee6121c2c7ddf3b3c62b4fafcbe684b190c0252ad974cb1a9ef2c0aad9c9bssdeep: 6144:Ym158BF4T0DzBuY0a0i++sVCzS/2i9sSRSkR8tLzg5TlmzJP:P1u+0zBuYFn++sb2iCqR8pnzJPtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T12074DFD1A767E9A7CDA0C2741F62D2B50BAD7B5764404B2FF4482E1838373C1A8A4BDDsha3_384: ad1bc7efd69e8abd0d5dbb1abde2224e83ce9cad30a21078c24f93c4dd00d052254e1798a3409321a254ae4f858a3785ep_bytes: 68ccfc4300e8f0ffffff000000000000timestamp: 2015-06-03 07:36:42
Version Info:
Translation: 0x042d 0x04b0Comments: LebensmittelsektorsCompanyName: FibrillatoreFileDescription: FibrillatoreProductName: FibrillatoreFileVersion: 3.01.0005ProductVersion: 3.01.0005InternalName: FibrillatoreOriginalFilename: Fibrillatore.exe

Win32/Kovter.B also known as:

How to remove Win32/Kovter.B?

• 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.