About “Ransom:Win32/Genasom!a” infection

The Ransom:Win32/Genasom!a 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.

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What Ransom:Win32/Genasom!a virus can do?

• SetUnhandledExceptionFilter detected (possible anti-debug)
• Behavioural detection: Executable code extraction – unpacking
• Attempts to connect to a dead IP:Port (1 unique times)
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Creates RWX memory
• Possible date expiration check, exits too soon after checking local time
• Checks adapter addresses which can be used to detect virtual network interfaces
• Anomalous file deletion behavior detected (10+)
• Guard pages use detected – possible anti-debugging.
• Dynamic (imported) function loading detected
• Performs HTTP requests potentially not found in PCAP.
• A named pipe was used for inter-process communication
• Starts servers listening on 127.0.0.1:0
• Reads data out of its own binary image
• CAPE extracted potentially suspicious content
• Unconventionial language used in binary resources: Russian
• The binary contains an unknown PE section name indicative of packing
• Authenticode signature is invalid
• Uses Windows utilities for basic functionality
• Behavioural detection: Injection (inter-process)
• Behavioural detection: Injection with CreateRemoteThread in a remote process
• Installs itself for autorun at Windows startup
• Creates a hidden or system file
• Attempts to modify proxy settings
• Harvests cookies for information gathering

How to determine Ransom:Win32/Genasom!a?

File Info:
name: 5274ADE83E0DC3D9A231.mlw
path: /opt/CAPEv2/storage/binaries/0046967df7f0a03214af81f254d480df62b9b7abe0e7be22ac4713717f7a88c1
crc32: D2D333FF
md5: 5274ade83e0dc3d9a231773cea0f8756
sha1: ded043a4a132b6434166b7972817f33321b20524
sha256: 0046967df7f0a03214af81f254d480df62b9b7abe0e7be22ac4713717f7a88c1
sha512: f76030fc0c27bc2828d89a6e580cba03a2b8621254f27e4768e75f9e3d0edbde8e05444ec13ce73ce9e71206a2bc5a02c15861e5ca6b6b3f12789b3c73417250
ssdeep: 6144:HfFdFtZg1YoSP9StEhxX3npoa8QAhUXxSfE52UaRh:/F/g12P9SCyhgOE5M
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T19C448F31F2C24C76D1525B3CEC2AF2699939BF912E6C719B67F91C0C8E7A2816C1C1D6
sha3_384: 5e1bd39c7c972429527e9606bb13aca55026660cd80d712f789b18776c6188b78ec07f3663fa1e742ff188158fd45114
ep_bytes: 558bec83c4f0b8a0674300e844f6fcff
timestamp: 1992-06-19 22:22:17

Version Info:
0: [No Data]

Ransom:Win32/Genasom!a also known as:

How to remove Ransom:Win32/Genasom!a?

• 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.