PWS:Win32/Sifre.A

Seeing the PWS:Win32/Sifre.A detection usually means that your system 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 peculiar steps that must be done as soon as possible.

PWS:Win32/Sifre.A detection is a virus detection you can spectate in your system. It frequently shows up after the preliminary procedures on your PC – opening the untrustworthy email messages, clicking the advertisement in the Internet or setting up the program from untrustworthy resources. From the moment it appears, you have a short time to take action until it starts its malicious action. And be sure – it is far better not to await these malicious actions.

What is PWS:Win32/Sifre.A virus?

PWS:Win32/Sifre.A is ransomware-type malware. It searches for the documents on your disk drive, ciphers it, and then asks you to pay the ransom for receiving the decryption key. Besides making your files locked, this malware additionally does a ton of damage to your system. It alters the networking settings in order to stop you from checking out the elimination tutorials or downloading the antivirus. Sometimes, PWS:Win32/Sifre.A can also stop the launching of anti-malware programs.

PWS:Win32/Sifre.A Summary

Summarizingly, PWS:Win32/Sifre.A malware actions in the infected PC are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • Unconventionial language used in binary resources: Turkish;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Uses Windows utilities for basic functionality;
  • Checks for the presence of known devices from debuggers and forensic tools;
  • Checks for the presence of known devices from debuggers and forensic tools;
  • Attempts to disable UAC;
  • Disables Windows firewall;
  • Attempts to modify or disable Security Center warnings;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files located on the target’s disk drive — so the victim cannot check these files;
  • Blocking the launching of .exe files of anti-malware programs
  • Blocking the launching of installation files of anti-virus apps

Ransomware has been a nightmare for the last 4 years. It is hard to realize a more dangerous virus for both individual users and businesses. The algorithms used in PWS:Win32/Sifre.A (usually, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have more time than our galaxy actually exists, and possibly will exist. But that virus does not do all these terrible things instantly – it can take up to several hours to cipher all of your documents. Hence, seeing the PWS:Win32/Sifre.A detection is a clear signal that you have to start the clearing procedure.

Where did I get the PWS:Win32/Sifre.A?

Standard ways of PWS:Win32/Sifre.A injection are typical for all other ransomware examples. Those are one-day landing sites where users are offered to download the free program, so-called bait emails and hacktools. Bait e-mails are a quite modern method in malware distribution – you receive the email that mimics some standard notifications about shippings or bank service conditions modifications. Inside of the email, there is a corrupted MS Office file, or a link which opens the exploit landing site.

Malicious email spam

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

Preventing it looks quite simple, however, still needs tons of awareness. Malware can hide in different places, and it is better to prevent it even before it goes into your computer than to depend on an anti-malware program. Essential cybersecurity awareness is just an essential item in the modern world, even if your interaction with a PC remains on YouTube videos. That can keep you a great deal of time and money which you would certainly spend while seeking a fixing guide.

PWS:Win32/Sifre.A malware technical details

File Info:

name: EFFC69D678B49244DC13.mlwpath: /opt/CAPEv2/storage/binaries/00f6fee4c4b191b708ed11081a9eb105addbd89a716cae6342ef47c86add8096crc32: DD178D63md5: effc69d678b49244dc13406fe42a9f5bsha1: 8b34f09dd17b10aefed06118a6adb044f878f5d7sha256: 00f6fee4c4b191b708ed11081a9eb105addbd89a716cae6342ef47c86add8096sha512: 87eec2cac416db130b0dad84335594d75d806e4ff211bd53b8f09799e575d67aa7658c6a3c99de584ed2163d4de7a4363d62fa199bbde11856ad5f8ca6d4cbf5ssdeep: 49152:6+zqxC6oWbci0QOk/cvgzgQFskaZ7y7NqYzcf/1gDCtk0JOPFz8STcG/gAd7KDxK:/zCjkK4i8mkpRiIel+sevcEgISxJSHaRtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T192D5ADF1A9C6E897EBEDA4B2E720C4F181B56D59C2D641EB328DBD5D70EF2108719B00sha3_384: d5d13fdff3895fa58bf15d922bcde3164887fddd3ff33557cdb0270bc02d981f1951942b9c9a1e88f92b47a0e3479698ep_bytes: fc5550e8000000005d50e80300000083timestamp: 2014-03-19 19:52:53

Version Info:

ProductName: svchostsFileVersion: 12.00ProductVersion: 12.00InternalName: svchostsOriginalFilename: svchosts.exeTranslation: 0x0409 0x04b0

PWS:Win32/Sifre.A also known as:

Bkav W32.AIDetect.malware2
Lionic Trojan.MSIL.Hakops.m!c
tehtris Generic.Malware
FireEye Generic.mg.effc69d678b49244
McAfee Artemis!EFFC69D678B4
Cylance Unsafe
Zillya StaticHeur1.Win32.19
Sangfor Trojan.Win32.Agent.Vdh3
K7AntiVirus Spyware ( 0055e3db1 )
Alibaba Trojan:Win32/Starter.ali2000005
K7GW Spyware ( 0055e3db1 )
Cybereason malicious.dd17b1
BitDefenderTheta Gen:NN.ZevbaF.34592.1o0@a48LZzfO
Symantec ML.Attribute.HighConfidence
Elastic malicious (high confidence)
ESET-NOD32 a variant of Generik.KWGWWZV
TrendMicro-HouseCall TROJ_GEN.R002C0DFR22
Paloalto generic.ml
Kaspersky Backdoor.MSIL.Hakops.bq
Cynet Malicious (score: 99)
Avast Sf:Zbot-JN [PUP]
Tencent Msil.Backdoor.Hakops.Aqqm
Sophos Mal/Behav-035
Comodo Malware@#burqt95p9hpv
F-Secure Trojan.TR/Dropper.Gen
TrendMicro TROJ_GEN.R002C0DFR22
McAfee-GW-Edition BehavesLike.Win32.Generic.vh
SentinelOne Static AI – Malicious PE
Trapmine malicious.high.ml.score
APEX Malicious
Avira TR/Dropper.Gen
Antiy-AVL Trojan/Win32.Agent
Kingsoft Win32.Heur.KVMH008.a.(kcloud)
ZoneAlarm Backdoor.MSIL.Hakops.bq
Microsoft PWS:Win32/Sifre.A
Google Detected
Malwarebytes Malware.AI.975058464
Zoner Probably Heur.ExeHeaderL
Rising Backdoor.Hakops!8.1097C (CLOUD)
Yandex TrojanSpy.VB!STE9pPp2Mnw
Ikarus Virus.Win32.Vundo
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/VB.NWB!tr.spy
AVG Sf:Zbot-JN [PUP]
Panda Trj/Genetic.gen

How to remove PWS:Win32/Sifre.A?

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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