Win32/Zoltbot.B

Seeing the Win32/Zoltbot.B malware detection usually means that your PC is in big danger. This computer virus can correctly be identified as ransomware – type of malware which encrypts your files and asks you to pay for their decryption. Stopping it requires some specific steps that must be done as soon as possible.

Win32/Zoltbot.B detection is a virus detection you can spectate in your computer. It generally appears after the preliminary activities on your computer – opening the untrustworthy email messages, clicking the advertisement in the Web or setting up the program from unreliable resources. From the instance it shows up, you have a short time to take action before it starts its destructive activity. And be sure – it is much better not to wait for these malicious actions.

What is Win32/Zoltbot.B virus?

Win32/Zoltbot.B is ransomware-type malware. It searches for the documents on your disks, encrypts it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your documents inaccessible, this virus also does a lot of damage to your system. It changes the networking setups in order to stop you from reading the removal guides or downloading the anti-malware program. In some cases, Win32/Zoltbot.B can additionally prevent the setup of anti-malware programs.

Win32/Zoltbot.B Summary

In summary, Win32/Zoltbot.B malware actions in the infected computer are next:

  • Performs HTTP requests potentially not found in PCAP.;
  • Drops a binary and executes it;
  • Authenticode signature is invalid;
  • Attempts to modify proxy settings;
  • Creates a copy of itself;
  • Anomalous binary characteristics;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Ciphering the documents kept on the target’s disk drives — so the victim cannot open 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 headache for the last 4 years. It is challenging to imagine a more damaging malware for both individual users and businesses. The algorithms used in Win32/Zoltbot.B (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 horrible things instantly – it can require up to several hours to cipher all of your documents. Hence, seeing the Win32/Zoltbot.B detection is a clear signal that you should start the elimination process.

Where did I get the Win32/Zoltbot.B?

Standard ways of Win32/Zoltbot.B injection are basic for all other ransomware examples. Those are one-day landing web pages where victims are offered to download the free program, so-called bait e-mails and hacktools. Bait e-mails are a relatively new strategy in malware spreading – you receive the email that imitates some standard notifications about shippings or bank service conditions shifts. Inside of 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.

Avoiding it looks fairly simple, but still needs tons of attention. Malware can hide in various spots, and it is far better to prevent it even before it gets into your system than to rely upon an anti-malware program. Simple cybersecurity knowledge is just an important thing in the modern world, even if your interaction with a PC stays on YouTube videos. That can save you a lot of money and time which you would certainly spend while searching for a fixing guide.

Win32/Zoltbot.B malware technical details

File Info:

name: B43C9C51E1CD35BFC6EB.mlwpath: /opt/CAPEv2/storage/binaries/e040ae70fbb842f5fbd4fad618c5519c6327b7538e25439846dc7ede487968d5crc32: D69C8005md5: b43c9c51e1cd35bfc6eb2897cf08680dsha1: 4f06084a6f07718f7f48cb6a9360f99c9da0a05esha256: e040ae70fbb842f5fbd4fad618c5519c6327b7538e25439846dc7ede487968d5sha512: a0790e2f70cc3692e5b435b766e6704d451a303e2313068d6473579d70eb8585ba1916f647b3bc0e355dc53f623fcbb51d97c1fa3592d5a693241e0f75c0e006ssdeep: 768:5pHynLwYrdMcp/+ZO7vAbljCVop4511oPhGzbm:5ywYo0ujCVzWGPmtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1EE55C442660441D7D45238BE82269B6ADDBBECF3230041FBDB91BDB9AE7C9E4543D10Esha3_384: 5cbef7003d5ac694f3c4276e8e827470deba10cc88a2528e20b7d1dea4f394a2421932fd78a250ccac9d535113881b0cep_bytes: 558bec83ec086a00ff152c700101a348timestamp: 2011-09-03 17:46:10

Version Info:

0: [No Data]

Win32/Zoltbot.B also known as:

Bkav W32.AIDetectMalware
Elastic malicious (high confidence)
DrWeb Trojan.Inject1.29359
MicroWorld-eScan Gen:Trojan.ExplorerHijack.trW@a0J5ydk
FireEye Generic.mg.b43c9c51e1cd35bf
ALYac Gen:Trojan.ExplorerHijack.trW@a0J5ydk
Malwarebytes MachineLearning/Anomalous.100%
VIPRE Gen:Trojan.ExplorerHijack.trW@a0J5ydk
Sangfor Trojan.Win32.Save.a
BitDefender Gen:Trojan.ExplorerHijack.trW@a0J5ydk
Cybereason malicious.1e1cd3
BitDefenderTheta Gen:NN.ZexaF.36250.trW@a0J5ydk
VirIT Trojan.Win32.SHeur4.BQWO
Symantec ML.Attribute.HighConfidence
tehtris Generic.Malware
ESET-NOD32 a variant of Win32/Zoltbot.B
APEX Malicious
Kaspersky Trojan-Ransom.Win32.Blocker.evho
NANO-Antivirus Trojan.Win32.Inject1.chzwwd
Rising Trojan.Malagent!8.53C (TFE:2:fM8ypo2OwgS)
Sophos Mal/Generic-S
F-Secure Trojan.TR/ATRAPS.Gen
McAfee-GW-Edition BehavesLike.Win32.Injector.tz
Trapmine malicious.high.ml.score
Emsisoft Gen:Trojan.ExplorerHijack.trW@a0J5ydk (B)
SentinelOne Static AI – Suspicious PE
GData Gen:Trojan.ExplorerHijack.trW@a0J5ydk
Google Detected
Avira TR/ATRAPS.Gen
Antiy-AVL Trojan[Ransom]/Win32.Blocker
Xcitium Malware@#1ylsgyz9pqgzt
Arcabit Trojan.ExplorerHijack.EEA7DB
ZoneAlarm Trojan-Ransom.Win32.Blocker.evho
Microsoft Trojan:Win32/Wacatac.B!ml
Cynet Malicious (score: 100)
Acronis suspicious
McAfee Artemis!B43C9C51E1CD
MAX malware (ai score=80)
DeepInstinct MALICIOUS
Cylance unsafe
Panda Trj/CI.A
Yandex Trojan.Blocker!VvZPTwG+Vqg
Ikarus Trojan.Win32.Pincav
Fortinet W32/BanLoader.BBGF!tr
AVG Win32:Malware-gen
Avast Win32:Malware-gen
CrowdStrike win/malicious_confidence_100% (W)

How to remove Win32/Zoltbot.B?

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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