Win32:Dropper-KLB [Drp]

Spectating the Win32:Dropper-KLB [Drp] detection usually means that your system is in big danger. This malware can correctly be identified as ransomware – type of malware which ciphers your files and forces you to pay for their decryption. Removing it requires some specific steps that must be taken as soon as possible.

Win32:Dropper-KLB [Drp] detection is a malware detection you can spectate in your computer. It often appears after the preliminary procedures on your computer – opening the dubious email, clicking the banner in the Internet or installing the program from suspicious sources. From the moment it appears, you have a short time to take action until it starts its harmful activity. And be sure – it is better not to await these harmful effects.

What is Win32:Dropper-KLB [Drp] virus?

Win32:Dropper-KLB [Drp] is ransomware-type malware. It looks for the files on your disk, encrypts it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your files inaccessible, this malware additionally does a lot of damage to your system. It modifies the networking settings in order to stop you from reading the elimination articles or downloading the antivirus. In rare cases, Win32:Dropper-KLB [Drp] can also prevent the setup of anti-malware programs.

Win32:Dropper-KLB [Drp] Summary

Summarizingly, Win32:Dropper-KLB [Drp] virus actions in the infected system 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;
  • Possible date expiration check, exits too soon after checking local time;
  • Dynamic (imported) function loading detected;
  • A process created a hidden window;
  • CAPE extracted potentially suspicious content;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Uses Windows utilities for basic functionality;
  • Uses Windows utilities for basic functionality;
  • Deletes its original binary from disk;
  • Installs itself for autorun at Windows startup;
  • Anomalous binary characteristics;
  • Encrypting the files located on the target’s disk drives — so the victim cannot check these files;
  • Blocking the launching of .exe files of anti-malware apps
  • Blocking the launching of installation files of anti-malware programs

Ransomware has been a horror story for the last 4 years. It is challenging to imagine a more dangerous malware for both individual users and organizations. The algorithms used in Win32:Dropper-KLB [Drp] (typically, 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 currently exists, and possibly will exist. But that malware does not do all these terrible things instantly – it can take up to a few hours to cipher all of your files. Hence, seeing the Win32:Dropper-KLB [Drp] detection is a clear signal that you must begin the clearing process.

Where did I get the Win32:Dropper-KLB [Drp]?

Standard methods of Win32:Dropper-KLB [Drp] spreading are typical for all other ransomware variants. Those are one-day landing web pages where users are offered to download the free program, so-called bait e-mails and hacktools. Bait emails are a relatively new tactic in malware spreading – you receive the email that mimics some normal notifications about shipments or bank service conditions updates. Within the e-mail, there is an infected 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.

Preventing it looks fairly uncomplicated, but still needs tons of focus. Malware can hide in various spots, and it is better to stop it even before it gets into your PC than to rely on an anti-malware program. Essential cybersecurity awareness is just an important thing in the modern-day world, even if your relationship with a PC remains on YouTube videos. That can save you a great deal of time and money which you would certainly spend while seeking a solution.

Win32:Dropper-KLB [Drp] malware technical details

File Info:

name: F53586D5461258E62D67.mlwpath: /opt/CAPEv2/storage/binaries/9847f3065a7e96d6192e7f2adccedd75cf881b60cd00d00e8f12a32055e272efcrc32: 3516E59Fmd5: f53586d5461258e62d676b320435fce0sha1: 93a0024bdfb0fffcd31fa93458a775b67700cf14sha256: 9847f3065a7e96d6192e7f2adccedd75cf881b60cd00d00e8f12a32055e272efsha512: 9039a4df286e5723c3f07cd1fed8fbcffdfe222f6f3b7ed75953aa81b7462462d436f37773cde1761057ebefb1e492c52b22ea458cf71ded8146c25e7a965833ssdeep: 1536:M6j8V7OFvGud/x6US+q+akDUoWXh06OxedalMccihDYYXMiN:hIV7kvTdJxSP+BJWxXOxZGccihDYYMiNtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1A4737D2E746130E6C99FF3753461EA1942C6861547BA8E272F269FD849372C702783DFsha3_384: e819c84b48b7d8c2874d2632c07fb379ce3863fdfb8284679b25dea99c07b408716dfde75ad5063b515094ce4d6422fbep_bytes: 558bec81ecf8030000c78580fdffff00timestamp: 2012-03-27 14:00:48

Version Info:

0: [No Data]

Win32:Dropper-KLB [Drp] also known as:

Bkav W32.AIDetect.malware1
Lionic Hacktool.Win32.Krap.lKMc
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
FireEye Generic.mg.f53586d5461258e6
CAT-QuickHeal TrojanPWS.Zbot.Gen
McAfee PWS-Zbot.gen.bew
Cylance Unsafe
Zillya Trojan.Foreign.Win32.485
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 0040f02a1 )
Alibaba Ransom:Win32/Genasom.ca5c7656
K7GW Trojan ( 0040f02a1 )
CrowdStrike win/malicious_confidence_100% (W)
VirIT Trojan.Win32.Generic.BGWX
Cyren W32/Zbot.FL.gen!Eldorado
Symantec Packed.Generic.459
ESET-NOD32 Win32/LockScreen.AIG
APEX Malicious
Paloalto generic.ml
ClamAV Win.Trojan.Foreign-1
Kaspersky Packed.Win32.Krap.iu
BitDefender Gen:Variant.Fugrafa.30071
NANO-Antivirus Trojan.Win32.Krap.fkwcip
MicroWorld-eScan Gen:Variant.Fugrafa.30071
Avast Win32:Dropper-KLB [Drp]
Tencent Malware.Win32.Gencirc.114d6b77
Ad-Aware Gen:Variant.Fugrafa.30071
Emsisoft Gen:Variant.Fugrafa.30071 (B)
Comodo Malware@#v9znl4sfz625
DrWeb Trojan.Winlock.5857
VIPRE Trojan.Win32.Reveton.ca (v)
TrendMicro Mal_Ransom-1
McAfee-GW-Edition BehavesLike.Win32.ZBot.lc
Sophos Mal/Generic-R + Troj/Bdoor-BDY
SentinelOne Static AI – Malicious PE
GData Gen:Variant.Fugrafa.30071
Jiangmin Trojan/Foreign.rf
Webroot W32.Rogue.Gen
Avira TR/Ransom.EB.54
MAX malware (ai score=100)
Antiy-AVL Trojan/Generic.ASMalwS.D9FE5
ViRobot Trojan.Win32.A.Foreign.80032
Microsoft Ransom:Win32/Genasom.JU
AhnLab-V3 Trojan/Win32.Foreign.R24533
Acronis suspicious
BitDefenderTheta AI:Packer.B1A7E4A21E
ALYac Gen:Variant.Fugrafa.30071
VBA32 Hoax.Foreign
TrendMicro-HouseCall Mal_Ransom-1
Rising Ransom.Genasom!8.293 (CLOUD)
Yandex Trojan.GenAsa!fhBH5lDXAz8
Ikarus Trojan-Ransom.Foreign
MaxSecure Trojan.Packed.Krap.iu
Fortinet W32/ZBOT.HL!tr
AVG Win32:Dropper-KLB [Drp]
Cybereason malicious.546125
Panda Bck/Qbot.AO

How to remove Win32:Dropper-KLB [Drp]?

About the author

Robert Bailey

Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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