How to remove “Trojan:Win32/Mariofev.B”?

The Trojan:Win32/Mariofev.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.

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What Trojan:Win32/Mariofev.B 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
• Guard pages use detected – possible anti-debugging.
• A process attempted to delay the analysis task.
• Dynamic (imported) function loading detected
• At least one IP Address, Domain, or File Name was found in a crypto call
• Performs HTTP requests potentially not found in PCAP.
• Starts servers listening on 0.0.0.0:31439
• Enumerates running processes
• Reads data out of its own binary image
• A process created a hidden window
• CAPE extracted potentially suspicious content
• Drops a binary and executes it
• Unconventionial language used in binary resources: Russian
• The binary contains an unknown PE section name indicative of packing
• The binary likely contains encrypted or compressed data.
• The executable is compressed using UPX
• Authenticode signature is invalid
• Uses Windows utilities for basic functionality
• Installs itself for autorun at Windows startup
• Collects information about installed applications
• Attempts to modify proxy settings
• Creates a copy of itself
• Modifies Terminal Server registry keys for persistence
• Uses suspicious command line tools or Windows utilities
• Suspicious wmic.exe use was detected

How to determine Trojan:Win32/Mariofev.B?

File Info:
name: D9C14B191C8A017CC7EF.mlw
path: /opt/CAPEv2/storage/binaries/b35bf9cd1187b4db49c5f58d9040928fd710cd3079d6da339d8509b4996f21e7
crc32: 83A31D5C
md5: d9c14b191c8a017cc7ef039319b9c550
sha1: 6165e608dbdb2040d057769cafea53da2f14d491
sha256: b35bf9cd1187b4db49c5f58d9040928fd710cd3079d6da339d8509b4996f21e7
sha512: 0681ed812fc811fd689b5e55dded07ed777e9f2af982a5d2121f9d44203d184d5f8270314e297e2aff7725fd8f75fe1cb22a5e68feb50e89cfbb45179193490c
ssdeep: 6144:fhzGZCfmnMXXT3UqIQw74RIxLQDOHXaP2oMuljNXHlKpL6NMyIa82v6QruHs7GyG:xGZImnMHLh/RIxm/dNKydrv6QruM7a
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T13A7423A15967FCC6F2A347B0A6364FB74D0FE913B93D318153AEC747A153888A9C0326
sha3_384: 9b4007f0cdce2cc46d312e22c483e3296d90eb07d33f47880ff49c775f51c09b8fa639c86836c080e16d759899c45189
ep_bytes: 60be15d070008dbeeb3fcfff5783cdff
timestamp: 2005-01-05 07:52:57

Version Info:
CompanyName: Qcqdciv Ijodg
FileDescription: Qcqdciv Fgffxbo Jxwwyp
FileVersion: 55, 80, 121, 118
InternalName: Qcqdciv
LegalCopyright: Copyright © Qcqdciv Ijodg 1997-2008
OriginalFilename: Qcqdciv.exe
ProductName: Qcqdciv Fgffxbo Jxwwyp
ProductVersion: 58, 96, 104, 11
Translation: 0x0409 0x04e4

Trojan:Win32/Mariofev.B also known as:

How to remove Trojan:Win32/Mariofev.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.