N
The Daily Insight

PUA:Win32/Pearfoos.B!ml

Author

Emily Beck

Updated on May 14, 2026

PUA:Win32/Pearfoos.B!ml detection is a virus detection you can spectate in your system. It often appears after the provoking activities on your PC – opening the untrustworthy email messages, clicking the advertisement in the Internet or mounting the program from suspicious sources. From the moment it appears, you have a short time to do something about it until it begins its harmful action. And be sure – it is better not to wait for these malicious things.

What is PUA:Win32/Pearfoos.B!ml virus?

PUA:Win32/Pearfoos.B!ml is ransomware-type malware. It looks for the files on your disks, ciphers it, and then asks you to pay the ransom for receiving the decryption key. Besides making your files inaccessible, this virus additionally does a lot of harm to your system. It modifies the networking setups in order to stop you from looking for the removal tutorials or downloading the antivirus. In some cases, PUA:Win32/Pearfoos.B!ml can additionally prevent the launching of anti-malware programs.

PUA:Win32/Pearfoos.B!ml Summary

In total, PUA:Win32/Pearfoos.B!ml virus activities in the infected system are next:

  • Sample contains Overlay data;
  • Authenticode signature is invalid;
  • Encrypting the files located on the target’s drives — so the victim cannot use these files;
  • Blocking the launching of .exe files of anti-malware programs
  • Blocking the launching of installation files of anti-virus programs

Ransomware has actually been a headache for the last 4 years. It is difficult to realize a more dangerous virus for both individuals and organizations. The algorithms used in PUA:Win32/Pearfoos.B!ml (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. However, that malware does not do all these bad things immediately – it can take up to several hours to cipher all of your files. Thus, seeing the PUA:Win32/Pearfoos.B!ml detection is a clear signal that you need to start the clearing process.

Where did I get the PUA:Win32/Pearfoos.B!ml?

Common methods of PUA:Win32/Pearfoos.B!ml spreading are common for all other ransomware examples. Those are one-day landing websites where victims are offered to download the free app, so-called bait e-mails and hacktools. Bait e-mails are a pretty modern tactic in malware spreading – you get the email that simulates some standard notifications about shippings or bank service conditions changes. Inside of the email, there is a corrupted 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 simple, but still requires a lot of attention. Malware can hide in different places, and it is far better to prevent it even before it gets into your PC than to rely upon an anti-malware program. Standard cybersecurity knowledge is just an essential thing in the modern-day world, even if your relationship with a PC stays on YouTube videos. That can save you a lot of money and time which you would spend while looking for a solution.

PUA:Win32/Pearfoos.B!ml malware technical details

File Info:

name: CFC34654FD7C85452AD1.mlwpath: /opt/CAPEv2/storage/binaries/0fe5dd6823d0535509e388d92a1e9b23642949564fdc7e29f271d9d8724646bdcrc32: 513A2157md5: cfc34654fd7c85452ad1e745a0d3791fsha1: 3dedf4e56a272b22487e4424d511842f44394faesha256: 0fe5dd6823d0535509e388d92a1e9b23642949564fdc7e29f271d9d8724646bdsha512: adfe4d9a4b46f396699864c10c3eeab7dd15ad7c8f2fe758fb32e11302821adbe4f616eba9c84e4b80949a65e5d8238d1ade3540b4d1b525ad8f75e91a3d758essdeep: 6144:uW6Tc6vJfHpLxOeds9FYIxW3+WOMjvEV4UgIhzE62Km4:uzcOBHpLxOeds9fxWtjcVXrtype: PE32+ executable (GUI) x86-64, for MS Windowstlsh: T1D6941A256AC0A62BF1739235C6A18641FF36B7634722C23B70C8467F1F77185AA73726sha3_384: aa7369317b74b07c73ca2a69bb36541271775bc59cc98bdfa7d88bd6eca49c46c5e041183703abe44af5ca6b6a312402ep_bytes: e848feffffc82000004c897c24f84883timestamp: 2010-09-30 17:49:43

Version Info:

CompanyName: Microsoft CorporationFileDescription: qualauncherFileVersion: 10.0.17134.10074 (WinBuild.160101.0800)InternalName: qualauncherLegalCopyright: © Microsoft Corporation. All rights reserved.OriginalFilename: qualauncherProductName: Microsoft® Windows® Operating SystemProductVersion: 10.0.17134.10074Translation: 0x0409 0x04b0

PUA:Win32/Pearfoos.B!ml also known as:

MicroWorld-eScanGen:Variant.Cerbu.155294
FireEyeGen:Variant.Cerbu.155294
ALYacGen:Variant.Cerbu.155294
CylanceUnsafe
VIPREGen:Variant.Cerbu.155294
CyrenW64/Ipamor.A
Elasticmalicious (high confidence)
ESET-NOD32Win64/Filecoder.GG
CynetMalicious (score: 100)
KasperskyVHO:Trojan-PSW.Win32.Stealer.gen
BitDefenderGen:Variant.Cerbu.155294
AvastWin64:Trojan-gen
Ad-AwareGen:Variant.Cerbu.155294
EmsisoftGen:Variant.Cerbu.155294 (B)
GDataGen:Variant.Cerbu.155294
JiangminTrojan.Blocker.urx
ArcabitTrojan.Cerbu.D25E9E
ZoneAlarmVHO:Trojan-PSW.Win32.Stealer.gen
MicrosoftPUA:Win32/Pearfoos.B!ml
GoogleDetected
AhnLab-V3Trojan/Win.PWS.R532934
Acronissuspicious
MAXmalware (ai score=88)
MalwarebytesRansom.Azov
RisingRansom.Agent!8.6B7 (TFE:dGZlOgRk8TKvhTnFFA)
FortinetW64/Filecoder.GG!tr
AVGWin64:Trojan-gen

How to remove PUA:Win32/Pearfoos.B!ml?

PUA:Win32/Pearfoos.B!ml malware is incredibly difficult to eliminate by hand. It puts its documents in a variety of places throughout the disk, and can recover itself from one of the elements. Moreover, a number of changes in the windows registry, networking settings and also Group Policies are quite hard to locate and return to the original. It is far better to make use of a special app – exactly, an anti-malware app. GridinSoft Anti-Malware will fit the most ideal for virus elimination objectives.

Why GridinSoft Anti-Malware? It is really lightweight and has its detection databases updated practically every hour. In addition, it does not have such problems and exploits as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware perfect for eliminating malware of any form.

Download GridinSoft Anti-Malware

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