Win32/Otfrem.C

Written by Robert Bailey
Spectating the Win32/Otfrem.C detection name means that your PC is in big danger. This computer virus can correctly be named as ransomware – virus which encrypts your files and forces you to pay for their decryption. Stopping it requires some specific steps that must be taken as soon as possible.
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Win32/Otfrem.C detection is a virus detection you can spectate in your computer. It generally shows up after the preliminary actions on your PC – opening the untrustworthy email messages, clicking the banner in the Internet or installing the program from dubious resources. From the instance it appears, you have a short time to act until it starts its harmful activity. And be sure – it is far better not to wait for these malicious effects.

What is Win32/Otfrem.C virus?

Win32/Otfrem.C is ransomware-type malware. It looks for the files on your disk drives, encrypts it, and after that asks you to pay the ransom for getting the decryption key. Besides making your files inaccessible, this malware also does a ton of damage to your system. It changes the networking setups in order to stop you from checking out the removal guidelines or downloading the antivirus. Sometimes, Win32/Otfrem.C can additionally stop the setup of anti-malware programs.

Win32/Otfrem.C Summary

In summary, Win32/Otfrem.C virus activities in the infected system are next:

  • Authenticode signature is invalid;
  • Anomalous binary characteristics;
  • Encrypting the documents kept on the victim’s drives — so the victim cannot check these files;
  • Blocking the launching of .exe files of anti-malware apps
  • Blocking the launching of installation files of anti-virus apps

Ransomware has actually been a nightmare for the last 4 years. It is difficult to realize a more harmful malware for both individual users and corporations. The algorithms utilized in Win32/Otfrem.C (usually, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need more time than our galaxy currently exists, and possibly will exist. But that virus does not do all these bad things without delay – it may take up to a few hours to cipher all of your files. Thus, seeing the Win32/Otfrem.C detection is a clear signal that you need to begin the elimination process.

Where did I get the Win32/Otfrem.C?

Ordinary methods of Win32/Otfrem.C injection are basic for all other ransomware variants. Those are one-day landing web pages where users are offered to download the free program, so-called bait e-mails and hacktools. Bait e-mails are a relatively new strategy in malware spreading – you get the e-mail that imitates some normal notifications about shipments or bank service conditions updates. Inside of the e-mail, there is an infected MS Office file, or a link which opens the exploit landing page.

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 spots, and it is much better to prevent it even before it invades your system than to rely upon an anti-malware program. Common cybersecurity awareness is just an important item in the modern world, even if your interaction with a computer stays on YouTube videos. That may save you a lot of money and time which you would certainly spend while seeking a fix guide.

Win32/Otfrem.C malware technical details

File Info:

name: 90312691BE402A4A9688.mlw
path: /opt/CAPEv2/storage/binaries/0973373871ac71cf6d7a3de05f434e3bd06dd22651f7d8364cbe8d88680236bf
crc32: 8A9E0C10
md5: 90312691be402a4a9688634e5ead2836
sha1: ad1f3a700c7d7d29e5e572f994f50bce8ad4c491
sha256: 0973373871ac71cf6d7a3de05f434e3bd06dd22651f7d8364cbe8d88680236bf
sha512: 3262209dba1644af99181069f46536d9847dff5e3de43d32cf6b84a923df48157c1efdfc43d3fdd8e1a303a43a6cce1f7da4a7630fbcaddcce952a9ef5837981
ssdeep: 98304:NmCmDmCmHmCmDmCm2mCmDmCmHmCmDmCm2mCmDmCmHmCmDmCm2mCmDmCmo:NmCmDmCmHmCmDmCm2mCmDmCmHmCmDmC5
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T13416C616F750941AF54280B57929E2BFB91A2D721681EC03FB826F5838B46D7F4F4B0B
sha3_384: 42e53fbc05ae81d5710d5b1e353579003e00a6090cc9ec028dc87bf819c9cc9a36a2b0719d569b934332ae744f6423d4
ep_bytes: 6ab5077cb90461b1087ec30468c00c90
timestamp: 2008-11-16 03:29:47

Version Info:

0: [No Data]

Win32/Otfrem.C also known as:

BkavW32.AIDetect.malware1
CynetMalicious (score: 100)
FireEyeGeneric.mg.90312691be402a4a
ALYacGen:Variant.Fragtor.51791
CylanceUnsafe
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (W)
BaiduWin32.Trojan.Otfrem.b
CyrenW32/Barys.AU.gen!Eldorado
ESET-NOD32a variant of Win32/Otfrem.C
APEXMalicious
ClamAVWin.Malware.Lunam-6749633-0
BitDefenderGen:Variant.Fragtor.51791
MicroWorld-eScanGen:Variant.Fragtor.51791
AvastWin32:Malware-gen
Ad-AwareGen:Variant.Fragtor.51791
EmsisoftGen:Variant.Fragtor.51791 (B)
DrWebWin32.HLLW.Autoruner.48319
McAfee-GW-EditionBehavesLike.Win32.Generic.wm
SophosML/PE-A
SentinelOneStatic AI – Malicious PE
GDataGen:Variant.Fragtor.51791
Antiy-AVLTrojan/Generic.ASMalwS.351ABD9
MicrosoftTrojan:Win32/Sabsik.FL.B!ml
McAfeeGenericRXRP-EA!90312691BE40
MAXmalware (ai score=84)
MalwarebytesRansom.Agent.ED
TrendMicro-HouseCallTROJ_GEN.R03BH0CAS22
RisingMalware.Heuristic!ET#98% (RDMK:cmRtazo8i7HbiS4vxmZqBha4lIJ4)
IkarusTrojan.VB.Crypt
MaxSecureTrojan.Malware.121218.susgen
FortinetW32/Otfrem.C!tr
BitDefenderThetaGen:NN.ZexaF.34182.!pZ@aq1xs8f
AVGWin32:Malware-gen
Cybereasonmalicious.1be402

How to remove Win32/Otfrem.C?

Win32/Otfrem.C malware is incredibly hard to delete by hand. It stores its data in multiple locations throughout the disk, and can restore itself from one of the parts. In addition, a lot of alterations in the windows registry, networking setups and also Group Policies are pretty hard to discover and revert to the initial. It is better to use a specific app – exactly, an anti-malware program. GridinSoft Anti-Malware will fit the best for malware elimination objectives.

Why GridinSoft Anti-Malware? It is pretty light-weight and has its databases updated just about every hour. In addition, it does not have such bugs and vulnerabilities as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware perfect 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

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

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