Win32/SpyVoltar.B

Written by Robert Bailey
Seeing the Win32/SpyVoltar.B detection usually means that your computer is in big danger. This computer virus can correctly be named as ransomware – sort of malware which encrypts your files and asks you to pay for their decryption. Deleteing it requires some peculiar steps that must be taken as soon as possible.
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Win32/SpyVoltar.B detection is a virus detection you can spectate in your computer. It frequently shows up after the provoking procedures on your PC – opening the dubious e-mail messages, clicking the advertisement in the Internet or installing the program from dubious resources. From the second it shows up, you have a short time to do something about it before it starts its harmful activity. And be sure – it is better not to wait for these destructive effects.

What is Win32/SpyVoltar.B virus?

Win32/SpyVoltar.B is ransomware-type malware. It looks for the files on your computer, ciphers it, and then asks you to pay the ransom for receiving the decryption key. Besides making your documents inaccessible, this virus also does a ton of damage to your system. It modifies the networking setups in order to stop you from checking out the removal tutorials or downloading the anti-malware program. Sometimes, Win32/SpyVoltar.B can even stop the setup of anti-malware programs.

Win32/SpyVoltar.B Summary

In summary, Win32/SpyVoltar.B ransomware actions in the infected PC are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • 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;
  • A process attempted to delay the analysis task.;
  • Dynamic (imported) function loading detected;
  • Performs HTTP requests potentially not found in PCAP.;
  • HTTPS urls from behavior.;
  • Reads data out of its own binary image;
  • CAPE extracted potentially suspicious content;
  • Unconventionial language used in binary resources: Russian;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Behavioural detection: Injection (Process Hollowing);
  • Executed a process and injected code into it, probably while unpacking;
  • Behavioural detection: Injection (inter-process);
  • Installs itself for autorun at Windows startup;
  • Attempts to modify proxy settings;
  • Harvests cookies for information gathering;
  • Ciphering the files located on the target’s disk drives — so the victim cannot use these documents;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-malware apps

Ransomware has actually been a major problem for the last 4 years. It is challenging to imagine a more damaging virus for both individuals and companies. The algorithms used in Win32/SpyVoltar.B (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 horrible things immediately – it can take up to several hours to cipher all of your documents. Therefore, seeing the Win32/SpyVoltar.B detection is a clear signal that you have to begin the elimination procedure.

Where did I get the Win32/SpyVoltar.B?

Standard ways of Win32/SpyVoltar.B spreading are typical for all other ransomware variants. Those are one-day landing websites where victims 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 mimics some normal notifications about deliveries or bank service conditions changes. Inside of the e-mail, there is a malicious 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 fairly simple, however, still demands a lot of attention. Malware can hide in various places, and it is far better to stop it even before it invades your PC than to depend on an anti-malware program. Common cybersecurity awareness is just an important item in the modern world, even if your interaction with a computer remains on YouTube videos. That can keep you a lot of money and time which you would certainly spend while seeking a fixing guide.

Win32/SpyVoltar.B malware technical details

File Info:

name: 95BCCFA7C4FB3083C9DE.mlw
path: /opt/CAPEv2/storage/binaries/38848b5c7af679753d75ed32e8b2755c5c362fc3eb5c59bd5544fabc02ccac68
crc32: FD4D24C7
md5: 95bccfa7c4fb3083c9de0136a2133721
sha1: 4189616c026d83629ef42e99b891162392cf4df3
sha256: 38848b5c7af679753d75ed32e8b2755c5c362fc3eb5c59bd5544fabc02ccac68
sha512: d71d824e40bacff42d67c72a14849551f8cf36d0471bfc06fa933b0328711628840493d1884d79012082ddb45d61f41bf1ae26e1e02426a4cbcc6612d103b87a
ssdeep: 3072:nmto/bayye1tyDv5OolJEEJzIvhO7DDkAlFl:Iyiz56vUDDxF
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T14DE3D0323441DD32F015B5BA8490A605963FE911376C5BC37BAB0B6E5F373B01ABA792
sha3_384: 2d7aded04c5076082418f2b49627f730a7cf943518fcd9cb4c45dc72c721dd0d8db4c6f5cca5cfb9408299670fae9a51
ep_bytes: e85c160000e916feffff8b4424048b00
timestamp: 2013-10-25 20:42:20

Version Info:

0: [No Data]

Win32/SpyVoltar.B also known as:

Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.Dropper.VZS
FireEyeGeneric.mg.95bccfa7c4fb3083
McAfeeGenericR-EJA!95BCCFA7C4FB
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_90% (D)
K7GWTrojan ( 003c36381 )
K7AntiVirusTrojan ( 003c36381 )
VirITTrojan.Win32.Inject2.AHE
CyrenW32/Trojan.JVOH-8403
ESET-NOD32Win32/SpyVoltar.B
APEXMalicious
KasperskyVHO:Trojan-Ransom.Win32.Blocker.gen
BitDefenderTrojan.Dropper.VZS
NANO-AntivirusTrojan.Win32.Butirat.cqngcq
AvastWin32:Trojan-gen
Ad-AwareTrojan.Dropper.VZS
SophosML/PE-A
DrWebBackDoor.Butirat.337
ZillyaTrojan.Blocker.Win32.28981
McAfee-GW-EditionBehavesLike.Win32.Emotet.ch
Trapminemalicious.high.ml.score
EmsisoftTrojan.Dropper.VZS (B)
SentinelOneStatic AI – Malicious PE
GDataTrojan.Dropper.VZS
JiangminTrojan/Blocker.gzl
AviraTR/Kazy.276674
MAXmalware (ai score=83)
MicrosoftTrojan:Win32/Vundo
CynetMalicious (score: 100)
AhnLab-V3Backdoor/Win32.Buterat.C201653
Acronissuspicious
BitDefenderThetaAI:Packer.B53164171F
ALYacTrojan.Dropper.VZS
TACHYONRansom/W32.Blocker.143360.B
VBA32Hoax.Blocker
CylanceUnsafe
RisingTrojan.Neconyd!1.9D78 (CLASSIC)
YandexTrojan.Blocker!4vnTvGA8qrk
IkarusTrojan.Win32.Jorik
FortinetW32/Buterat.GH!tr
AVGWin32:Trojan-gen
Cybereasonmalicious.7c4fb3
PandaGeneric Malware

How to remove Win32/SpyVoltar.B?

Win32/SpyVoltar.B malware is extremely hard to eliminate by hand. It places its documents in multiple locations throughout the disk, and can get back itself from one of the parts. Furthermore, countless modifications in the registry, networking setups and Group Policies are fairly hard to locate and revert to the initial. It is much better to use a specific tool – exactly, an anti-malware app. GridinSoft Anti-Malware will fit the most ideal for malware elimination reasons.

Why GridinSoft Anti-Malware? It is very light-weight and has its detection databases updated practically every hour. Furthermore, it does not have such bugs and exploits as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware ideal for clearing away malware of any type.

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

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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