Win32/Korplug.AK

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Win32/Korplug.AK detection name usually means that your PC is in big danger. This computer virus can correctly be identified as ransomware – virus which encrypts your files and forces 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/Korplug.AK detection is a malware detection you can spectate in your system. It frequently shows up after the preliminary procedures on your PC – opening the dubious e-mail messages, clicking the banner in the Web or installing the program from dubious resources. From the second it appears, you have a short time to do something about it before it begins its destructive action. And be sure – it is much better not to wait for these malicious actions.

What is Win32/Korplug.AK virus?

Win32/Korplug.AK is ransomware-type malware. It looks for the documents on your disks, encrypts it, and after that asks you to pay the ransom for getting the decryption key. Besides making your files inaccessible, this virus also does a ton of damage to your system. It changes the networking settings in order to prevent you from checking out the removal manuals or downloading the anti-malware program. In some cases, Win32/Korplug.AK can additionally stop the launching of anti-malware programs.

Win32/Korplug.AK Summary

In total, Win32/Korplug.AK virus activities in the infected system are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Behavioural detection: Executable code extraction – unpacking;
  • Attempts to connect to a dead IP:Port (1 unique times);
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Creates RWX memory;
  • Dynamic (imported) function loading detected;
  • Performs HTTP requests potentially not found in PCAP.;
  • CAPE extracted potentially suspicious content;
  • Drops a binary and executes it;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Deletes its original binary from disk;
  • Behavioural detection: Injection (Process Hollowing);
  • Executed a process and injected code into it, probably while unpacking;
  • Behavioural detection: Injection (inter-process);
  • Behavioural detection: Injection with CreateRemoteThread in a remote process;
  • Installs itself for autorun at Windows startup;
  • Installs itself for autorun at Windows startup;
  • Anomalous binary characteristics;
  • Encrypting the documents located on the target’s disk drive — so the victim cannot use these documents;
  • Blocking the launching of .exe files of anti-virus apps
  • Blocking the launching of installation files of security tools

Ransomware has been a nightmare for the last 4 years. It is challenging to imagine a more dangerous malware for both individuals and businesses. The algorithms utilized in Win32/Korplug.AK (generally, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need a lot more time than our galaxy actually exists, and possibly will exist. However, that malware does not do all these bad things instantly – it may require up to several hours to cipher all of your files. Hence, seeing the Win32/Korplug.AK detection is a clear signal that you should start the elimination procedure.

Where did I get the Win32/Korplug.AK?

General methods of Win32/Korplug.AK distribution are common for all other ransomware variants. Those are one-day landing websites where victims are offered to download the free program, so-called bait e-mails and hacktools. Bait e-mails are a quite modern method in malware distribution – you get the email that mimics some routine notifications about shippings or bank service conditions changes. Within the email, there is an infected MS Office file, or a web link which leads to the exploit landing site.

Malicious email spam

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

Preventing it looks quite easy, but still demands tons of focus. Malware can hide in various spots, and it is far better to stop it even before it gets into your system than to depend on an anti-malware program. Common cybersecurity knowledge is just an important item in the modern world, even if your interaction with a computer stays on YouTube videos. That can keep you a great deal of money and time which you would certainly spend while searching for a solution.

Win32/Korplug.AK malware technical details

File Info:

name: 1630E34FA76C1A48F548.mlw
path: /opt/CAPEv2/storage/binaries/df32f8c93bfdbcfe5268d2eab5742012dfeb4403895506efbf4ac3fb801a003d
crc32: 1EF3E87E
md5: 1630e34fa76c1a48f548861c0a11111a
sha1: f11d77d4c0d6700f6fc14d7d9ad66a83fd6b5117
sha256: df32f8c93bfdbcfe5268d2eab5742012dfeb4403895506efbf4ac3fb801a003d
sha512: 36e5f8054de9a133f245b5206e8f8e6227810e95b1c866f3e6b417e9a004e9f43ef968f1518f3f22dcaa3594447d0dfd72fe0fb964a6c7434c23d444e608c91c
ssdeep: 6144:YLDyFXg3/QownR9XhQNnrJ0p4ELFvST08ku1tbn:Y/F3YoqR9xWrJc4ERvS48/Tz
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1FE2412073850E137C9210D785CD5AA901BBD965326E2A0CB3FA51BFD8F707F2666E368
sha3_384: 2eb16261be485dc51edc3b67bdde0f101e0cd13bf7bc12c7e0e77db02b1906dc1ad498fbadefba0c90b5c872f0a5d086
ep_bytes: e8b0140000e979feffff8bff558bec8b
timestamp: 2013-03-25 12:51:22

Version Info:

0: [No Data]

Win32/Korplug.AK also known as:

BkavW32.AIDetect.malware2
MicroWorld-eScanGen:Variant.Ransom.GandCrab.16
ALYacGen:Variant.Ransom.GandCrab.16
CylanceUnsafe
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 003c36381 )
K7GWTrojan ( 003c36381 )
Cybereasonmalicious.fa76c1
Elasticmalicious (high confidence)
ESET-NOD32a variant of Win32/Korplug.AK
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderGen:Variant.Ransom.GandCrab.16
NANO-AntivirusTrojan.Win32.AdultBan.itolnb
APEXMalicious
Ad-AwareGen:Variant.Ransom.GandCrab.16
EmsisoftGen:Variant.Ransom.GandCrab.16 (B)
DrWebTrojan.Fakealert.37203
McAfee-GW-EditionBehavesLike.Win32.Emotet.dc
Trapminemalicious.high.ml.score
FireEyeGeneric.mg.1630e34fa76c1a48
SophosML/PE-A
IkarusBackdoor.Win32.Plugx
GDataGen:Variant.Ransom.GandCrab.16
JiangminTrojan.Generic.qhpt
AviraHEUR/AGEN.1242430
MAXmalware (ai score=83)
ArcabitTrojan.Ransom.GandCrab.16
MicrosoftProgram:Win32/Wacapew.C!ml
CynetMalicious (score: 100)
AhnLab-V3Backdoor/Win32.Etso.R67486
McAfeeGenericRXNM-PY!1630E34FA76C
VBA32SScope.Trojan.Zbot.gen
AvastWin32:Malware-gen
RisingTrojan.Generic@AI.94 (RDML:5EJzfGAD5dybIpzDiWFiGA)
YandexTrojan.GenAsa!0ilVFEJ5Vn0
SentinelOneStatic AI – Malicious PE
MaxSecureTrojan.Malware.300983.susgen
AVGWin32:Malware-gen
CrowdStrikewin/malicious_confidence_70% (D)

How to remove Win32/Korplug.AK?

Win32/Korplug.AK malware is incredibly difficult to delete by hand. It places its data in several places throughout the disk, and can restore itself from one of the parts. In addition, a range of modifications in the registry, networking settings and Group Policies are pretty hard to discover and return to the initial. It is better to utilize a special program – exactly, an anti-malware app. GridinSoft Anti-Malware will definitely fit the best for malware elimination goals.

Why GridinSoft Anti-Malware? It is pretty lightweight and has its databases updated just about every hour. Moreover, it does not have such bugs and weakness as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware perfect for eliminating 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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