Trojan-Ransom.Win32.Cryptodef.bhk

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Trojan-Ransom.Win32.Cryptodef.bhk detection name means that your PC is in big danger. This virus can correctly be identified as ransomware – virus which ciphers your files and forces you to pay for their decryption. Removing it requires some peculiar steps that must be done as soon as possible.
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Trojan-Ransom.Win32.Cryptodef.bhk detection is a malware detection you can spectate in your system. It often shows up after the provoking procedures on your computer – opening the untrustworthy email messages, clicking the advertisement in the Internet or mounting the program from dubious sources. From the moment it shows up, you have a short time to do something about it until it starts its harmful action. And be sure – it is far better not to await these harmful effects.

What is Trojan-Ransom.Win32.Cryptodef.bhk virus?

Trojan-Ransom.Win32.Cryptodef.bhk is ransomware-type malware. It looks for the documents on your computer, encrypts it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your files locked, this virus additionally does a ton of harm to your system. It alters the networking settings in order to stop you from looking for the removal articles or downloading the anti-malware program. In some cases, Trojan-Ransom.Win32.Cryptodef.bhk can also stop the launching of anti-malware programs.

Trojan-Ransom.Win32.Cryptodef.bhk Summary

Summarizingly, Trojan-Ransom.Win32.Cryptodef.bhk ransomware actions in the infected PC are next:

  • 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;
  • Mimics the system’s user agent string for its own requests;
  • Dynamic (imported) function loading detected;
  • Performs HTTP requests potentially not found in PCAP.;
  • Reads data out of its own binary image;
  • CAPE extracted potentially suspicious content;
  • The binary contains an unknown PE section name indicative of packing;
  • Authenticode signature is invalid;
  • Uses Windows utilities for basic functionality;
  • Deletes its original binary from disk;
  • Attempts to delete or modify volume shadow copies;
  • Behavioural detection: Injection (inter-process);
  • Behavioural detection: Injection with CreateRemoteThread in a remote process;
  • Attempts to stop active services;
  • Modifies boot configuration settings;
  • Behavior consistent with a dropper attempting to download the next stage.;
  • Installs itself for autorun at Windows startup;
  • Attempts to modify proxy settings;
  • Attempts to disable System Restore;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the documents kept on the victim’s disk drive — so the victim cannot check these files;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-virus programs

Ransomware has actually been a horror story for the last 4 years. It is hard to imagine a more harmful malware for both individual users and corporations. The algorithms utilized in Trojan-Ransom.Win32.Cryptodef.bhk (generally, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need more time than our galaxy already exists, and possibly will exist. However, that virus does not do all these unpleasant things without delay – it can take up to a few hours to cipher all of your files. Hence, seeing the Trojan-Ransom.Win32.Cryptodef.bhk detection is a clear signal that you have to start the clearing procedure.

Where did I get the Trojan-Ransom.Win32.Cryptodef.bhk?

Ordinary tactics of Trojan-Ransom.Win32.Cryptodef.bhk distribution are typical for all other ransomware variants. Those are one-day landing sites where victims are offered to download and install the free software, so-called bait emails and hacktools. Bait emails are a pretty new tactic in malware spreading – you receive the e-mail that mimics some normal notifications about shippings or bank service conditions shifts. Inside of the e-mail, there is a corrupted MS Office file, or a link which leads to the exploit landing page.

Malicious email spam

Malicious email message. This one tricks you to open the phishing website.

Avoiding it looks quite simple, but still needs a lot of focus. Malware can hide in different spots, and it is better to prevent it even before it invades your system than to rely on an anti-malware program. Basic cybersecurity awareness is just an important thing in the modern world, even if your relationship with a computer stays on YouTube videos. That may save you a lot of money and time which you would certainly spend while searching for a fixing guide.

Trojan-Ransom.Win32.Cryptodef.bhk malware technical details

File Info:

name: D4126F6C4121CC5156E2.mlw
path: /opt/CAPEv2/storage/binaries/92ec87d6555babcfcfce05d55c49c3281d0c43caa294877b47bd4953f0ded2b8
crc32: 6CCA2F06
md5: d4126f6c4121cc5156e2d0816d02eb61
sha1: 2b12e5c93a850f5bbddba900ae3441ea36486916
sha256: 92ec87d6555babcfcfce05d55c49c3281d0c43caa294877b47bd4953f0ded2b8
sha512: a4d237d7705c25b7d7ad4172f232f7f8953d604be0743203d4279e1f994cb2ec1b0817b120b27e46888fc73318ff23acd296d5df46b6c50043d37d355305343b
ssdeep: 6144:R3Np0yls8l62y4bbfUbA4JVmcJ9+rmAZOkmgH3IWQHp:R3Np0Cs1743fAX/JGQs3IFHp
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T14E648EA2E046C552F5B8453051C2DE2A8A4ABDBDBA611D0B75C4264F73F2183E4B3F9F
sha3_384: 3bfaef0a1a341f98d33e881388438a417e02377cc47c50f48982cd7a60193628129ae5a2073ebda7633670782ba3e2c5
ep_bytes: 558bec6aff6860834100680071410064
timestamp: 2014-09-11 09:02:58

Version Info:

CompanyName: EAST Technologies
FileDescription: bJ91VX
FileVersion: 4.9.8.5
InternalName: pH40JBgj.exe
LegalCopyright: Mgh84j941S99 1990 6c8eaee3
OriginalFilename: pH40JBgj.exe
ProductVersion: 4.9.8.5
ProductName: Hr2mm53pi8dg
Translation: 0x0409 0x04e3

Trojan-Ransom.Win32.Cryptodef.bhk also known as:

BkavW32.AIDetect.malware2
LionicTrojan.Win32.Cryptodef.j!c
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.514
CynetMalicious (score: 100)
FireEyeGeneric.mg.d4126f6c4121cc51
CAT-QuickHealTrojanRansom.Crowti.B4
McAfeeGeneric.wd
CylanceUnsafe
VIPREWin32.Malware!Drop
SangforTrojan.Win32.Save.a
K7AntiVirusRiskware ( 0040eff71 )
AlibabaTrojanDropper:Win32/dropper.ali1003001
K7GWRiskware ( 0040eff71 )
Cybereasonmalicious.c4121c
BitDefenderThetaGen:NN.ZexaF.34212.tq3@aqcskgkO
VirITTrojan.Win32.Inject2.AVIZ
CyrenW32/Backdoor.ZXHE-0377
SymantecRansom.Cryptodefense
ESET-NOD32Win32/Filecoder.CryptoWall.C
TrendMicro-HouseCallTROJ_CRYPSCR.A
Paloaltogeneric.ml
KasperskyTrojan-Ransom.Win32.Cryptodef.bhk
BitDefenderTrojan.GenericKD.1855095
NANO-AntivirusTrojan.Win32.Cryptodef.efheuf
MicroWorld-eScanTrojan.GenericKD.1855095
TencentWin32.Trojan.Inject.Auto
Ad-AwareTrojan.GenericKD.1855095
EmsisoftTrojan.GenericKD.1855095 (B)
ComodoMalware@#2gtvmg935qksr
BaiduWin32.Trojan.Kryptik.qb
ZillyaTrojan.Cryptodef.Win32.196
TrendMicroTROJ_CRYPSCR.A
McAfee-GW-EditionGeneric.wd
SophosMal/Generic-R + Mal/EncPk-AMO
IkarusTrojan-Ransom.Cryptodef
GDataWin32.Trojan.Agent.PEFGNA
JiangminPack.Mal.AntiVM
WebrootW32.Rogue.Gen
AviraTR/Crowti.A.73
Antiy-AVLTrojan/Win32.SGeneric
KingsoftWin32.Troj.Generic_a.a.(kcloud)
ArcabitTrojan.Generic.D1C4E77
ZoneAlarmTrojan-Ransom.Win32.Cryptodef.bhk
MicrosoftRansom:Win32/Crowti
TACHYONTrojan/W32.Cryptodef.314524
AhnLab-V3Trojan/Win32.Inject.C551989
Acronissuspicious
VBA32Hoax.Cryptodef
ALYacTrojan.GenericKD.1855095
MAXmalware (ai score=100)
MalwarebytesGeneric.Malware/Suspicious
APEXMalicious
RisingTrojan.Spy.Win32.Crowti.d (CLOUD)
YandexTrojan.Cryptodef!4IXYqAHPCfo
SentinelOneStatic AI – Malicious PE
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/Yakes.GAKM!tr
PandaTrj/WLT.A
CrowdStrikewin/malicious_confidence_100% (W)

How to remove Trojan-Ransom.Win32.Cryptodef.bhk?

Trojan-Ransom.Win32.Cryptodef.bhk malware is extremely hard to remove by hand. It stores its documents in numerous locations throughout the disk, and can get back itself from one of the parts. In addition, various changes in the windows registry, networking setups and Group Policies are really hard to locate and revert to the original. It is far better to make use of a special app – exactly, an anti-malware tool. GridinSoft Anti-Malware will definitely fit the best for malware removal purposes.

Why GridinSoft Anti-Malware? It is really light-weight and has its detection databases updated almost every hour. In addition, it does not have such problems and vulnerabilities as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware suitable for getting rid of malware of any type.

Remove the viruses with GridinSoft Anti-Malware

  • Download and install GridinSoft Anti-Malware. After the installation, you will be offered to perform the Standard Scan. Approve this action.
  • Gridinsoft Anti-Malware during the scan process

  • Standard scan checks the logical disk where the system files are stored, together with the files of programs you have already installed. The scan lasts up to 6 minutes.
  • GridinSoft Anti-Malware scan results

  • When the scan is over, you may choose the action for each detected virus. For all files of [SHORT_NAME] the default option is “Delete”. Press “Apply” to finish the malware removal.
  • GridinSoft Anti-Malware - After Cleaning
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About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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