TrojanProxy:Win32/Koobface!B

What is TrojanProxy:Win32/Koobface!B infection?

In this article you will certainly find about the interpretation of TrojanProxy:Win32/Koobface!B and its negative influence on your computer system. Such ransomware are a kind of malware that is clarified by on the internet scams to demand paying the ransom by a sufferer.

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When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
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Most of the cases, TrojanProxy:Win32/Koobface!B infection will instruct its victims to launch funds move for the function of neutralizing the amendments that the Trojan infection has introduced to the target’s tool.

TrojanProxy:Win32/Koobface!B Summary

These adjustments can be as follows:

  • A process attempted to delay the analysis task.;
  • 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.
  • Uses Windows utilities for basic functionality;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Creates a copy of itself;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the papers found on the target’s disk drive — so the victim can no more make use of the information;
  • Preventing routine access to the sufferer’s workstation;

TrojanProxy:Win32/Koobface!B

One of the most common networks where TrojanProxy:Win32/Koobface!B are injected are:

  • By methods of phishing emails;
  • As an effect of individual ending up on a resource that holds a destructive software;

As soon as the Trojan is effectively injected, it will either cipher the information on the target’s computer or stop the gadget from working in an appropriate way – while likewise positioning a ransom note that points out the demand for the targets to impact the payment for the purpose of decrypting the documents or bring back the data system back to the preliminary condition. In many instances, the ransom money note will show up when the client restarts the COMPUTER after the system has actually already been damaged.

TrojanProxy:Win32/Koobface!B distribution channels.

In different corners of the globe, TrojanProxy:Win32/Koobface!B grows by jumps and also bounds. Nonetheless, the ransom notes and also tricks of extorting the ransom money amount might vary depending upon specific neighborhood (local) settings. The ransom money notes and tricks of obtaining the ransom money quantity might vary depending on specific regional (regional) setups.

Ransomware injection

For instance:

    Faulty signals regarding unlicensed software application.

    In specific areas, the Trojans often wrongfully report having actually identified some unlicensed applications allowed on the target’s device. The sharp after that demands the individual to pay the ransom money.

    Faulty declarations concerning illegal content.

    In countries where software program piracy is much less preferred, this method is not as reliable for the cyber fraudulences. Conversely, the TrojanProxy:Win32/Koobface!B popup alert may falsely assert to be deriving from a law enforcement institution as well as will report having located youngster porn or various other prohibited information on the tool.

    TrojanProxy:Win32/Koobface!B popup alert may falsely declare to be deriving from a law enforcement organization and will certainly report having situated child porn or other prohibited data on the gadget. The alert will similarly have a need for the customer to pay the ransom.

Technical details

File Info:

crc32: D0904B39
md5: 815998fa680d7cf9759719c9ddaac435
name: 815998FA680D7CF9759719C9DDAAC435.mlw
sha1: 572c5eb27f69de1f4b71a4c7d379109c58087a94
sha256: 7cc8717cf38b977d3b7e612901ab9e8099b23f9ef11e9198cc9034c5a162599a
sha512: 2e9cba4183a8c6dcdc67719b137f9305132451fcaaf3c1185afbc6d76ee20fd1679f2b84f0252bb84b1e73fdc85db70910b6743bffd0f2168080e34216e72511
ssdeep: 384:+yEZtdbeQebac4E5MK7fjwaWzc6zdic59Pnib7ERMBG6WiWJKKcbjG6BVRRTTF:Csap2dE/zBic5Ub7r5Wi7bjG6fRRTTF
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

TrojanProxy:Win32/Koobface!B also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 000906541 )
Elastic malicious (high confidence)
DrWeb Trojan.Proxy.5885
Cynet Malicious (score: 100)
ALYac Gen:Variant.Ransom.Converton.8
Cylance Unsafe
Zillya Trojan.Tinxy.Win32.102
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_80% (D)
Alibaba Trojan:Win32/Tinxy.045272f8
K7GW Trojan ( 000906541 )
Cybereason malicious.a680d7
ESET-NOD32 a variant of Win32/Tinxy.AD
APEX Malicious
TotalDefense Win32/Koobface!generic
Avast Win32:Malware-gen
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Ransom.Converton.8
NANO-Antivirus Trojan.Win32.Scar.dxqafu
MicroWorld-eScan Gen:Variant.Ransom.Converton.8
Tencent Win32.Trojan.Generic.Dxwj
Ad-Aware Gen:Variant.Ransom.Converton.8
Sophos ML/PE-A + Mal/KoobHeur-A
Comodo Malware@#15wjwo8hy60bb
BitDefenderTheta Gen:NN.ZexaF.34608.bmW@aeSF9df
VIPRE Trojan.Win32.Generic!BT
TrendMicro Mal_Koob-3
McAfee-GW-Edition Proxy-Agent.bl
FireEye Generic.mg.815998fa680d7cf9
Emsisoft Gen:Variant.Ransom.Converton.8 (B)
Avira TR/BHO.Gen
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Microsoft TrojanProxy:Win32/Koobface.gen!B
Arcabit Trojan.Ransom.Converton.8
GData Gen:Variant.Ransom.Converton.8
AhnLab-V3 Malware/Win32.RL_Generic.R328466
Acronis suspicious
McAfee Proxy-Agent.bl
MAX malware (ai score=99)
VBA32 TrojanProxy.Agent
Malwarebytes Malware.Heuristic.1006
Panda Trj/Genetic.gen
TrendMicro-HouseCall Mal_Koob-3
Rising Trojan.Tinxy!1.685E (CLOUD)
SentinelOne Static AI – Suspicious PE
Fortinet W32/Tinxy.AD!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Trojan.BHO.HwcBqiwA

How to remove TrojanProxy:Win32/Koobface!B ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

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 TrojanProxy:Win32/Koobface!B 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove TrojanProxy:Win32/Koobface!B 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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