Ransom:Win32/Yanluow.STA

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Ransom:Win32/Yanluow.STA malware detection means that your system is in big danger. This virus can correctly be identified as ransomware – type of malware which ciphers your files and asks you to pay for their decryption. Deleteing it requires some peculiar steps that must be done as soon as possible.
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Ransom:Win32/Yanluow.STA detection is a virus detection you can spectate in your system. It usually appears after the preliminary actions on your computer – opening the dubious email, clicking the banner in the Web or setting up the program from unreliable sources. From the instance it shows up, 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 harmful effects.

What is Ransom:Win32/Yanluow.STA virus?

Ransom:Win32/Yanluow.STA is ransomware-type malware. It looks for the files on your computer, encrypts it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your files inaccessible, this malware also does a lot of damage to your system. It alters the networking setups in order to avoid you from checking out the removal manuals or downloading the antivirus. In some cases, Ransom:Win32/Yanluow.STA can also prevent the setup of anti-malware programs.

Ransom:Win32/Yanluow.STA Summary

Summarizingly, Ransom:Win32/Yanluow.STA ransomware activities in the infected PC are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Presents an Authenticode digital signature;
  • Dynamic (imported) function loading detected;
  • Authenticode signature is invalid;
  • Ciphering the files kept on the target’s disk — so the victim cannot use these files;
  • Blocking the launching of .exe files of anti-malware apps
  • Blocking the launching of installation files of anti-virus programs

Ransomware has actually been a nightmare for the last 4 years. It is hard to realize a more dangerous malware for both individual users and corporations. The algorithms used in Ransom:Win32/Yanluow.STA (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 currently exists, and possibly will exist. But that malware does not do all these bad things without delay – it can require up to several hours to cipher all of your documents. Therefore, seeing the Ransom:Win32/Yanluow.STA detection is a clear signal that you have to begin the clearing procedure.

Where did I get the Ransom:Win32/Yanluow.STA?

General methods of Ransom:Win32/Yanluow.STA distribution are usual for all other ransomware variants. Those are one-day landing websites where users are offered to download the free program, so-called bait e-mails and hacktools. Bait e-mails are a quite modern strategy in malware distribution – you get the e-mail that imitates some normal notifications about deliveries or bank service conditions changes. Inside of 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 quite uncomplicated, but still needs a lot of attention. Malware can hide in different places, and it is better to stop it even before it goes into your computer than to trust in an anti-malware program. Standard cybersecurity knowledge is just an important thing in the modern world, even if your relationship with a computer remains on YouTube videos. That can keep you a great deal of time and money which you would certainly spend while trying to find a solution.

Ransom:Win32/Yanluow.STA malware technical details

File Info:

name: AFAF2D4EBB6DC47E79A9.mlw
path: /opt/CAPEv2/storage/binaries/d11793433065633b84567de403c1989640a07c9a399dd2753aaf118891ce791c
crc32: 7392B74D
md5: afaf2d4ebb6dc47e79a955df5ad1fc8a
sha1: c418ce055d97928f94ba06b5de8124a601d8f632
sha256: d11793433065633b84567de403c1989640a07c9a399dd2753aaf118891ce791c
sha512: 321424ac21ebdb7f759a84236cb95c533b3000b3143099e1697f4a1f534c11782dafa68e5fa9e662b973b9669c1177b69c2fd0b83455625e57aa123385f581e6
ssdeep: 12288:EfaLQyGK6kAa2XgsA1RUa+jE6S3qRTjO0:EwIHnXp/O0
type: PE32 executable (console) Intel 80386, for MS Windows
tlsh: T176948D60F543F472D46248F44E38EA66B92DEC191B745AEB73D83A3A8D740D01A33FA5
sha3_384: e7849f16ed08daa8b3595ef3da96269186c94e55dab5e5a93eb5d9ea551b468dca8a35190a58569cb8272d4dacef624b
ep_bytes: e8ae0a0000e974feffff8b4df464890d
timestamp: 2021-09-18 02:54:03

Version Info:

0: [No Data]

Ransom:Win32/Yanluow.STA also known as:

LionicTrojan.Win32.Agent.j!c
Elasticmalicious (moderate confidence)
DrWebTrojan.Encoder.34762
MicroWorld-eScanTrojan.GenericKD.47564204
FireEyeTrojan.GenericKD.47564204
CAT-QuickHealRansom.Yanluowang.S25607602
ALYacTrojan.Ransom.Yanluowang
CylanceUnsafe
K7AntiVirusRiskware ( 0040eff71 )
AlibabaRansom:Win32/Yanluow.3b77c770
K7GWRiskware ( 0040eff71 )
CrowdStrikewin/malicious_confidence_100% (W)
CyrenW32/ABRisk.XUCT-2855
ESET-NOD32a variant of Win32/Filecoder.OJO
TrendMicro-HouseCallRansom.Win32.YANLUOWANG.THLOCBA
Paloaltogeneric.ml
ClamAVWin.Ransomware.Yanluowang-9902913-1
KasperskyHEUR:Trojan-Ransom.Win32.Agent.gen
BitDefenderTrojan.GenericKD.47564204
TencentMalware.Win32.Gencirc.11de89cb
Ad-AwareTrojan.GenericKD.47564204
EmsisoftTrojan.GenericKD.47564204 (B)
ZillyaTrojan.Agent.Win32.2587905
TrendMicroRansom.Win32.YANLUOWANG.THLOCBA
McAfee-GW-EditionArtemis!Trojan
SophosMal/Generic-R + Troj/Yanluow-A
IkarusTrojan.Crypter
JiangminTrojan.Agent.dsqn
WebrootW32.Malware.Gen
AviraTR/Redcap.utgfq
MicrosoftRansom:Win32/Yanluow.STA
GDataTrojan.GenericKD.47564204
CynetMalicious (score: 99)
AhnLab-V3Ransomware/Win.YANLUOWANG.C4861686
McAfeeArtemis!AFAF2D4EBB6D
VBA32TrojanRansom.Agent
MalwarebytesMalware.AI.4278623743
PandaTrj/CI.A
RisingRansom.Yanluowang!1.DD67 (CLASSIC)
YandexTrojan.Filecoder!ldH3dZD/4sY
FortinetW32/Ylwransom.A!tr.ransom
AVGWin32:Malware-gen
AvastWin32:Malware-gen

How to remove Ransom:Win32/Yanluow.STA?

Ransom:Win32/Yanluow.STA malware is extremely hard to eliminate by hand. It places its documents in multiple places throughout the disk, and can restore itself from one of the elements. Moreover, various changes in the registry, networking settings and also Group Policies are really hard to identify and revert to the initial. It is much better to utilize a specific tool – exactly, an anti-malware tool. GridinSoft Anti-Malware will fit the best for virus removal objectives.

Why GridinSoft Anti-Malware? It is very light-weight and has its databases updated almost every hour. Moreover, it does not have such problems and exploits as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware ideal for taking out malware of any form.

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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