Win32/InstallMonstr.QU potentially unwanted malicious file

The Win32/InstallMonstr.QU potentially unwanted 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 Win32/InstallMonstr.QU potentially unwanted virus can do?

• Injection (inter-process)
• Injection (Process Hollowing)
• Creates RWX memory
• Possible date expiration check, exits too soon after checking local time
• Reads data out of its own binary image
• Unconventionial language used in binary resources: Russian
• The binary likely contains encrypted or compressed data.
• The executable is compressed using UPX
• Executed a process and injected code into it, probably while unpacking
• Detects the presence of Wine emulator via function name
• Queries information on disks, possibly for anti-virtualization
• Attempts to repeatedly call a single API many times in order to delay analysis time
• Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
• Collects information about installed applications
• Checks the presence of disk drives in the registry, possibly for anti-virtualization
• Detects VirtualBox through the presence of a registry key
• Anomalous binary characteristics

How to determine Win32/InstallMonstr.QU potentially unwanted?

File Info:
crc32: 3D583B59
md5: 02c81499cb3a49582ceac5471c5b6f92
name: 02C81499CB3A49582CEAC5471C5B6F92.mlw
sha1: 85c299d775c9478621af1c9d120d07a2793c5fdf
sha256: 24c17eee486f010f7d8e5815eaf792693330fe901c2ccaeb3c000effa5401065
sha512: af645bb50481a6be26479549ff7edad56fe37da82aca364b0c81dba1704de1d2764239307b4c91400895a157b5f0af7bcdea92d06e3861416c71002c0013a552
ssdeep: 98304:5kZdVPzgRDsgg9iwou89zct2242pApC0cCbGLs54euq0CBfFN1Mr:OZ7PE7zwodu0Clsq/q0yfFN16
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:
LegalCopyright: eeeeeee
InternalName: gggggggg
FileVersion: 776.67.65.179
LegalTrademarks: hhhhhh
Comments: vvvvv
ProductName: ddddd
ProductVersion: 55.44.5.75
OriginalFilename: sssss
Translation: 0x0491 0x04e4

Win32/InstallMonstr.QU potentially unwanted also known as:

How to remove Win32/InstallMonstr.QU potentially unwanted?

• 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.