Bulz.457288 (file analysis)

Malware Removal

The Bulz.457288 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 Bulz.457288 virus can do?

  • Executable code extraction
  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Injection with CreateRemoteThread in a remote process
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • Starts servers listening on
  • A process created a hidden window
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic
  • Performs some HTTP requests
  • The binary likely contains encrypted or compressed data.
  • Executed a process and injected code into it, probably while unpacking
  • Deletes its original binary from disk
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Steals private information from local Internet browsers
  • Spoofs its process name and/or associated pathname to appear as a legitimate process
  • Creates a hidden or system file
  • Creates a copy of itself
  • Harvests credentials from local FTP client softwares
  • Harvests information related to installed instant messenger clients
  • Harvests information related to installed mail clients
  • Collects information to fingerprint the system

Related domains:


How to determine Bulz.457288?

File Info:

crc32: 4B616C0E
md5: af49acf4331dad8e82c4cfe6b48c24aa
name: AF49ACF4331DAD8E82C4CFE6B48C24AA.mlw
sha1: c5e516c1d54bc6993d6a9cb770a8dbb0043f8807
sha256: fdf7c57df99d2b51f42db3cb2df58439871ab216658b9e4ba4285e495d13fc89
sha512: 3b14361011554aa8389cbee2880f7a915d21ec69ef9ce6c7c44e9cad2e8926fa7635e56c4d4cb48be7150259c5f60ab642cf5a8e05697f01999a938ff43274a1
ssdeep: 12288:ER1a2l8zA5OQt+nyP82zDuohYKfXyXDEj1m7dGvNdYdi01IB39ZLSQ+0LSS:ERn5OZc8W8KPkENldKi5B39ZLJ+0LL
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 2021
Assembly Version:
InternalName: OpCodeType.exe
CompanyName: None
LegalTrademarks: Valheim is a trademark of Coffee Stain Publishing and Iron Gate AB. Notice is cautionary and does not imply publication.
Comments: Manages a Valheim Game Server
ProductName: ValheimServerManager
FileDescription: ValheimServerManager
OriginalFilename: OpCodeType.exe

Bulz.457288 also known as:

ESET-NOD32a variant of MSIL/Kryptik.AARD
RisingTrojan.Kryptik!8.8 (CLOUD)

How to remove Bulz.457288?

Bulz.457288 removal tool
  • 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.

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