PWS:Win32/Zbot.AJB

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the PWS:Win32/Zbot.AJB malware detection means that your PC is in big danger. This computer virus can correctly be named as ransomware – virus which ciphers your files and forces you to pay for their decryption. Stopping it requires some specific steps that must be done as soon as possible.
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PWS:Win32/Zbot.AJB detection is a malware detection you can spectate in your system. It usually appears after the preliminary procedures on your PC – opening the untrustworthy email, clicking the banner in the Web or mounting the program from unreliable sources. From the moment it shows up, you have a short time to act before it begins its destructive activity. And be sure – it is much better not to wait for these malicious actions.

What is PWS:Win32/Zbot.AJB virus?

PWS:Win32/Zbot.AJB is ransomware-type malware. It looks for the documents on your disk drive, encrypts it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your documents inaccessible, this malware also does a lot of harm to your system. It alters the networking setups in order to stop you from looking for the elimination manuals or downloading the anti-malware program. Sometimes, PWS:Win32/Zbot.AJB can additionally stop the launching of anti-malware programs.

PWS:Win32/Zbot.AJB Summary

In total, PWS:Win32/Zbot.AJB malware activities in the infected PC are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • 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;
  • Reads data out of its own binary image;
  • CAPE extracted potentially suspicious content;
  • Authenticode signature is invalid;
  • Anomalous binary characteristics;
  • Encrypting the documents located on the victim’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 anti-malware apps

Ransomware has been a horror story for the last 4 years. It is hard to realize a more damaging virus for both individual users and companies. The algorithms used in PWS:Win32/Zbot.AJB (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 actually exists, and possibly will exist. However, that virus does not do all these terrible things without delay – it may require up to a few hours to cipher all of your documents. Therefore, seeing the PWS:Win32/Zbot.AJB detection is a clear signal that you must begin the removal process.

Where did I get the PWS:Win32/Zbot.AJB?

Standard methods of PWS:Win32/Zbot.AJB distribution are common for all other ransomware variants. Those are one-day landing sites where users are offered to download the free app, so-called bait e-mails and hacktools. Bait e-mails are a relatively modern tactic in malware distribution – you receive the email that simulates some standard notifications about deliveries or bank service conditions shifts. Inside of the e-mail, there is an infected MS Office file, or a web link which opens the exploit landing page.

Malicious email spam

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

Avoiding it looks quite easy, but still demands tons of attention. Malware can hide in various spots, and it is far better to stop it even before it invades your computer than to trust in an anti-malware program. Essential cybersecurity knowledge is just an essential thing in the modern world, even if your relationship with a computer remains on YouTube videos. That can save you a lot of money and time which you would certainly spend while seeking a fixing guide.

PWS:Win32/Zbot.AJB malware technical details

File Info:

name: 0987F93909EF5DED71B5.mlw
path: /opt/CAPEv2/storage/binaries/8cbc397f3eb1f6b1580978a9f319a27710745877749fbaadfc2f9aaa643b9e5d
crc32: 799CC2A6
md5: 0987f93909ef5ded71b53b0cf8f7ddc8
sha1: 01692cdb7b9fc0d23a323c33e6df45b61173abbd
sha256: 8cbc397f3eb1f6b1580978a9f319a27710745877749fbaadfc2f9aaa643b9e5d
sha512: 644f2d94a9bcb1fc63785c564a4b8987e5f590eacaaef9c0c2332e160b6c5fa5e964b1617aed745a13e7e55b56188db5f26d29c83d0c27be543a0f5d15c5f350
ssdeep: 6144:jpBlZf/tzA0jdZ23REXme1jcmjn25S2O6g6pVKUDM3:tXg0xEholbn2IRiPc
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1B67407E9AF014934E4091335991CC663EF11BFAC06354AAB3BD38E4B16F9DE68D2497C
sha3_384: 41cf5b31bbe875316b6289b108a09f67155ab415c3091c6e032197f21289087f93038383cd4589c21e555d3c0ed6e573
ep_bytes: 8bec892d58004500e8594003006887bf
timestamp: 2013-09-04 14:04:55

Version Info:

0: [No Data]

PWS:Win32/Zbot.AJB also known as:

BkavW32.AIDetect.malware2
LionicTrojan.Win32.Generic.4!c
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Heur.Ransom.Cerber.2
FireEyeGeneric.mg.0987f93909ef5ded
McAfeePWSZbot-FFA!0987F93909EF
VIPRETrojan.Win32.Agent.aqdc (v)
SangforSuspicious.Win32.Save.a
K7AntiVirusRiskware ( 0040eff71 )
BitDefenderGen:Heur.Ransom.Cerber.2
K7GWRiskware ( 0040eff71 )
Cybereasonmalicious.909ef5
BitDefenderThetaGen:NN.ZexaF.34182.uqX@aWl@!Soi
VirITTrojan.Win32.Generic.CKQF
SymantecBackdoor.Trojan
ESET-NOD32a variant of Win32/Kryptik.BJQM
AvastWin32:Malware-gen
KasperskyHEUR:Trojan.Win32.Generic
AlibabaTrojanPSW:Win32/Kryptik.0e2ff5df
NANO-AntivirusTrojan.Win32.Zbot.crdfka
RisingTrojan.Win32.Generic.15DD6F1C (C64:YzY0Oj21h/c18a82)
EmsisoftGen:Heur.Ransom.Cerber.2 (B)
ComodoTrojWare.Win32.Kryptik.BJST@520md0
DrWebTrojan.PWS.Panda.4379
ZillyaTrojan.Zbot.Win32.134545
McAfee-GW-EditionBehavesLike.Win32.Generic.fh
SophosML/PE-A + Mal/EncPk-MP
SentinelOneStatic AI – Malicious PE
JiangminTrojanSpy.Zbot.dtst
AviraHEUR/AGEN.1245361
Antiy-AVLTrojan/Generic.ASMalwS.3E9AAC
MicrosoftPWS:Win32/Zbot.AJB
SUPERAntiSpywareTrojan.Agent/Gen-Blocker
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataGen:Heur.Ransom.Cerber.2
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win32.Zbot.R81603
VBA32TrojanSpy.Zbot
ALYacGen:Heur.Ransom.Cerber.2
TACHYONTrojan-Spy/W32.ZBot.337920.AB
PandaTrj/Zbot.M
APEXMalicious
YandexTrojan.GenAsa!kjoUD9cd4AU
MAXmalware (ai score=87)
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/Bublik.BEUK!tr
AVGWin32:Malware-gen
CrowdStrikewin/malicious_confidence_100% (D)

How to remove PWS:Win32/Zbot.AJB?

PWS:Win32/Zbot.AJB malware is extremely hard to erase by hand. It places its files in multiple locations throughout the disk, and can restore itself from one of the parts. Furthermore, a number of alterations in the windows registry, networking settings and also Group Policies are pretty hard to find and revert to the initial. It is much better to use a special app – exactly, an anti-malware app. GridinSoft Anti-Malware will definitely fit the best for malware elimination objectives.

Why GridinSoft Anti-Malware? It is pretty lightweight and has its databases updated almost every hour. Moreover, it does not have such bugs and exploits as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware perfect for eliminating malware of any kind.

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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