Win32:Kryptik-KRK [Trj]

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Win32:Kryptik-KRK [Trj] detection name usually means that your system is in big danger. This malware can correctly be named as ransomware – type of malware which encrypts your files and asks you to pay for their decryption. Removing it requires some unusual steps that must be taken as soon as possible.
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Win32:Kryptik-KRK [Trj] detection is a malware detection you can spectate in your computer. It frequently shows up after the preliminary activities on your PC – opening the untrustworthy email, clicking the banner in the Web or mounting the program from unreliable resources. From the moment it appears, you have a short time to do something about it until it starts its harmful activity. And be sure – it is much better not to await these malicious effects.

What is Win32:Kryptik-KRK [Trj] virus?

Win32:Kryptik-KRK [Trj] is ransomware-type malware. It searches for the files on your disks, ciphers it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your files inaccessible, this malware also does a ton of harm to your system. It alters the networking settings in order to avoid you from checking out the elimination tutorials or downloading the anti-malware program. In some cases, Win32:Kryptik-KRK [Trj] can additionally prevent the launching of anti-malware programs.

Win32:Kryptik-KRK [Trj] Summary

In total, Win32:Kryptik-KRK [Trj] virus activities in the infected computer are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • Dynamic (imported) function loading detected;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Creates RWX memory;
  • Reads data out of its own binary image;
  • CAPE extracted potentially suspicious content;
  • Authenticode signature is invalid;
  • Anomalous binary characteristics;
  • Ciphering the documents kept on the target’s drives — so the victim cannot open these documents;
  • Blocking the launching of .exe files of anti-malware apps
  • Blocking the launching of installation files of anti-malware programs

Ransomware has been a headache for the last 4 years. It is difficult to imagine a more damaging malware for both individual users and businesses. The algorithms used in Win32:Kryptik-KRK [Trj] (usually, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have a lot more time than our galaxy already exists, and possibly will exist. However, that malware does not do all these unpleasant things immediately – it can require up to a few hours to cipher all of your documents. Hence, seeing the Win32:Kryptik-KRK [Trj] detection is a clear signal that you have to start the removal procedure.

Where did I get the Win32:Kryptik-KRK [Trj]?

Standard tactics of Win32:Kryptik-KRK [Trj] distribution are common for all other ransomware examples. Those are one-day landing sites where victims are offered to download the free software, so-called bait e-mails and hacktools. Bait e-mails are a relatively new method in malware distribution – you receive the e-mail that simulates some standard notifications about deliveries or bank service conditions modifications. Within the e-mail, there is an infected MS Office file, or a link which opens the exploit landing page.

Malicious email spam

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

Preventing it looks fairly easy, but still requires tons of recognition. Malware can hide in various spots, and it is far better to prevent it even before it goes into your computer than to rely upon an anti-malware program. Common cybersecurity knowledge is just an important item in the modern world, even if your relationship with a PC stays on YouTube videos. That may keep you a great deal of money and time which you would certainly spend while trying to find a solution.

Win32:Kryptik-KRK [Trj] malware technical details

File Info:

name: C429FF7574AC8C9D39EE.mlw
path: /opt/CAPEv2/storage/binaries/605faf40953ac3a956de27992bb9799611fbe93018dae62c44679a0371bfad30
crc32: B8E99D22
md5: c429ff7574ac8c9d39eebc632010b2a2
sha1: 03fbef3504617b635e9a16a8e058b74ffe2ac329
sha256: 605faf40953ac3a956de27992bb9799611fbe93018dae62c44679a0371bfad30
sha512: 710f18bf92a3bc8640f5f441aa004496b4da030ff3dc0d38e9b40d243e80ce33c342bea32532d053e107fd970d253b3063c03fd889d3a42e0937ae3fd0e9f8f1
ssdeep: 3072:yJwJdk00LjuBfOYOYC41GcxvBSRFJV+Cy0D+LhD3CDbO3BNCZha:vbYLjTYeIjx0VV+Cy06LhD3CDbxg
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1B344BEF22EDDCAE1F52736F547D7B60002F41884BA4F1A0A0148BF54E99317D265AEAF
sha3_384: 284a2f408ae0f1141089da7a5747dd7400f7cd8a81dc5ba49801d30e0f2716bc2e3fc2165d218e02ced4edd5e48c3186
ep_bytes: 55a1d38541006bc73c892c248b0d8995
timestamp: 2012-11-03 03:29:56

Version Info:

0: [No Data]

Win32:Kryptik-KRK [Trj] also known as:

BkavW32.AIDetect.malware2
tehtrisGeneric.Malware
DrWebTrojan.PWS.Panda.2977
MicroWorld-eScanGen:Variant.Symmi.7690
FireEyeGeneric.mg.c429ff7574ac8c9d
CAT-QuickHealTrojanPWS.Zbot
McAfeePWS-Zbot.gen.aqv
CylanceUnsafe
K7AntiVirusSpyware ( 0055e3db1 )
K7GWSpyware ( 0055e3db1 )
Cybereasonmalicious.574ac8
BitDefenderThetaGen:NN.ZexaF.34606.pu1@ayHlt6p
CyrenW32/S-c6c7add7!Eldorado
SymantecPacked.Generic.439
Elasticmalicious (high confidence)
ESET-NOD32Win32/Spy.Zbot.AAO
ClamAVWin.Trojan.Zbot-61123
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderGen:Variant.Symmi.7690
NANO-AntivirusTrojan.Win32.Zbot.bbuqls
SUPERAntiSpywareTrojan.Agent/Gen-Falprod
AvastWin32:Kryptik-KRK [Trj]
TencentMalware.Win32.Gencirc.114c61ca
Ad-AwareGen:Variant.Symmi.7690
SophosMal/Generic-R + Troj/Agent-YVP
ComodoTrojWare.Win32.PWS.ZBot.ATA@4sqc1n
ZillyaTrojan.Zbot.Win32.91171
McAfee-GW-EditionPWS-Zbot.gen.aqv
EmsisoftGen:Variant.Symmi.7690 (B)
IkarusTrojan-PWS.Win32.Zbot
GDataGen:Variant.Symmi.7690
AviraTR/Crypt.EPACK.Gen8
Antiy-AVLTrojan/Generic.ASMalwS.16EA2F
MicrosoftPWS:Win32/Zbot!CI
CynetMalicious (score: 100)
VBA32Trojan.TDSS.01414
ALYacGen:Variant.Symmi.7690
MAXmalware (ai score=81)
MalwarebytesRansom.Agent.ED
APEXMalicious
RisingSpyware.Zbot!8.16B (CLOUD)
YandexTrojan.GenAsa!alJTQHDvPfw
SentinelOneStatic AI – Malicious PE
FortinetW32/Zbot.AQV!tr
AVGWin32:Kryptik-KRK [Trj]
PandaGeneric Malware
CrowdStrikewin/malicious_confidence_100% (D)

How to remove Win32:Kryptik-KRK [Trj]?

Win32:Kryptik-KRK [Trj] malware is extremely hard to delete manually. It puts its documents in multiple places throughout the disk, and can get back itself from one of the elements. Additionally, countless alterations in the registry, networking setups and Group Policies are quite hard to locate and return to the original. It is much better to use a special tool – exactly, an anti-malware tool. GridinSoft Anti-Malware will definitely fit the most ideal for malware removal objectives.

Why GridinSoft Anti-Malware? It is pretty light-weight and has its databases updated nearly every hour. Moreover, it does not have such bugs and vulnerabilities as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware perfect for clearing away malware of any form.

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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