Trojan:Win32/Occamy.C99

Written by Robert Bailey

What is Trojan:Win32/Occamy.C99 infection?

In this article you will find concerning the interpretation of Trojan:Win32/Occamy.C99 and its unfavorable influence on your computer. Such ransomware are a form of malware that is elaborated by on the internet scams to demand paying the ransom by a victim.

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In the majority of the cases, Trojan:Win32/Occamy.C99 ransomware will instruct its victims to launch funds move for the function of counteracting the amendments that the Trojan infection has presented to the victim’s device.

Trojan:Win32/Occamy.C99 Summary

These modifications can be as complies with:

  • Possible date expiration check, exits too soon after checking local time;
  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • The executable is compressed using UPX;
  • Likely installs a bootkit via raw harddisk modifications;
  • Deletes its original binary from disk;
  • Attempts to restart the guest VM;
  • Creates a copy of itself;
  • Ciphering the papers situated on the victim’s hard drive — so the victim can no longer use the information;
  • Preventing regular access to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Trojan:Win32/Occamy.C99

The most typical networks whereby Trojan:Win32/Occamy.C99 are injected are:

  • By means of phishing emails;
  • As a repercussion of customer winding up on a source that holds a harmful software program;

As soon as the Trojan is effectively infused, it will either cipher the information on the target’s computer or protect against the tool from functioning in a proper fashion – while additionally putting a ransom money note that discusses the need for the targets to effect the settlement for the objective of decrypting the papers or restoring the file system back to the preliminary condition. In the majority of circumstances, the ransom note will certainly turn up when the customer reboots the COMPUTER after the system has actually already been damaged.

Trojan:Win32/Occamy.C99 circulation channels.

In numerous edges of the world, Trojan:Win32/Occamy.C99 expands by jumps as well as bounds. Nevertheless, the ransom notes and also methods of obtaining the ransom money quantity might vary depending upon specific regional (regional) setups. The ransom notes and tricks of obtaining the ransom money quantity may differ depending on specific regional (regional) setups.

Ransomware injection

For instance:

    Faulty informs concerning unlicensed software program.

    In specific locations, the Trojans commonly wrongfully report having identified some unlicensed applications allowed on the sufferer’s tool. The alert then requires the user to pay the ransom.

    Faulty statements regarding unlawful content.

    In nations where software program piracy is less popular, this method is not as effective for the cyber fraudulences. Alternatively, the Trojan:Win32/Occamy.C99 popup alert may wrongly declare to be stemming from a police institution as well as will certainly report having situated kid porn or other unlawful information on the device.

    Trojan:Win32/Occamy.C99 popup alert might wrongly declare to be acquiring from a regulation enforcement organization and will certainly report having located youngster porn or other illegal information on the gadget. The alert will likewise include a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: 88FDFC25
md5: 1975e2aaa7c2b17bb6a4778f31618576
name: 1975E2AAA7C2B17BB6A4778F31618576.mlw
sha1: b5e1882180806e14f93ddaa12b23168f1119b29a
sha256: 997f82101a15838973b248eeaaef0a038827c507aa542c749bbe4d8911d16fd5
sha512: 8286a5f0ae99e6508a608f44f31c96bde5e66e0b5f04ad375f3a15117254d8418a8558690b3cc24a343ec166f53f75e7b697db42916376a0850076305a6a32cb
ssdeep: 1536:ZT+bIrdxBv7GdoDctWv8udA1JYREgJ/qEOp5ChnU4V1lyqHv4vAmOc9HSDKRppp:ZTlHsoddSgo7pwTV1lyqPOAmOc9HSO
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

Trojan:Win32/Occamy.C99 also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 004d4a2d1 )
Elastic malicious (high confidence)
DrWeb Trojan.MBRlock.6
Cynet Malicious (score: 99)
ALYac Gen:Variant.Doris.2738
Cylance Unsafe
Zillya Trojan.Mbro.Win32.4780
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (W)
Alibaba Ransom:Win32/Genasom.03997669
K7GW Trojan ( 004d4a2d1 )
Cybereason malicious.aa7c2b
Symantec Trojan.Bootlock.B
ESET-NOD32 a variant of Win32/MBRlock.R
APEX Malicious
Avast MBR:Ransom-A [Rtk]
ClamAV Win.Trojan.Ransom-43
Kaspersky Trojan-Ransom.Win32.Mbro.rv
BitDefender Gen:Variant.Doris.2738
NANO-Antivirus Trojan.Win32.Mbro.crfsyo
MicroWorld-eScan Gen:Variant.Doris.2738
Tencent Win32.Trojan.Mbro.Dzaj
Ad-Aware Gen:Variant.Doris.2738
Sophos Mal/Generic-R + Mal/Behav-046
Comodo Packed.Win32.MUPX.Gen@24tbus
BitDefenderTheta AI:Packer.B3C0FDC11E
VIPRE Trojan.Win32.Ransom.dva (v)
McAfee-GW-Edition BehavesLike.Win32.Dropper.ch
FireEye Generic.mg.1975e2aaa7c2b17b
Emsisoft Gen:Variant.Doris.2738 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan/Generic.ifva
Avira BOO/Ransom.AB
eGambit Unsafe.AI_Score_59%
Microsoft Trojan:Win32/Occamy.C99
Arcabit Trojan.Doris.DAB2
AegisLab Trojan.Win32.Mbro.lpQw
ZoneAlarm Trojan-Ransom.Boot.Mbro.d
GData Gen:Variant.Doris.2738
TACHYON Ransom/W32.Mbro.139264
AhnLab-V3 Trojan/Win32.Mbro.C98506
McAfee Artemis!1975E2AAA7C2
MAX malware (ai score=100)
VBA32 Trojan.Ransom.5705
Malwarebytes Malware.Heuristic.1003
Panda Generic Malware
Rising Ransom.Genasom!8.293 (CLOUD)
Yandex Trojan.MBRlock!S9Sa+BRYf+4
Ikarus Trojan-Ransom.Mbro
MaxSecure Trojan.Malware.121218.susgen
Fortinet W32/MBRlock.C!tr
AVG MBR:Ransom-A [Rtk]
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Genasom.HwsBEpsA

How to remove Trojan:Win32/Occamy.C99 virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Trojan:Win32/Occamy.C99 files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

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If the guide doesn’t help you to remove Trojan:Win32/Occamy.C99 you can always ask me in the comments for getting help.

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/products/

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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