Written by Robert Bailey

What is Trojan.IStartSurf infection?

In this article you will certainly discover regarding the definition of Trojan.IStartSurf and also its unfavorable influence on your computer system. Such ransomware are a kind of malware that is clarified by on the internet frauds to require paying the ransom by a sufferer.

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In the majority of the situations, Trojan.IStartSurf infection will advise its targets to initiate funds move for the function of neutralizing the amendments that the Trojan infection has introduced to the victim’s gadget.

Trojan.IStartSurf Summary

These alterations can be as complies with:

  • Executable code extraction;
  • Creates RWX memory;
  • Anomalous binary characteristics;
  • Ciphering the files found on the target’s disk drive — so the target can no longer make use of the information;
  • Preventing routine accessibility to the target’s workstation;

Related domains: Worm.Win32.Vundo Worm.Win32.Vundo


One of the most typical channels where Trojan.IStartSurf Ransomware are infused are:

  • By ways of phishing e-mails;
  • As a consequence of customer winding up on a resource that holds a destructive software program;

As soon as the Trojan is successfully infused, it will either cipher the information on the sufferer’s computer or avoid the gadget from operating in a correct fashion – while additionally putting a ransom money note that states the requirement for the targets to effect the settlement for the purpose of decrypting the papers or bring back the documents system back to the initial problem. In many instances, the ransom money note will come up when the client restarts the PC after the system has actually currently been damaged.

Trojan.IStartSurf distribution networks.

In various corners of the world, Trojan.IStartSurf grows by jumps as well as bounds. Nevertheless, the ransom money notes as well as methods of extorting the ransom money quantity may differ depending on certain local (regional) settings. The ransom money notes as well as techniques of obtaining the ransom quantity may differ depending on certain neighborhood (local) setups.

Ransomware injection

As an example:

    Faulty informs about unlicensed software program.

    In particular locations, the Trojans commonly wrongfully report having actually discovered some unlicensed applications enabled on the sufferer’s tool. The sharp then requires the individual to pay the ransom.

    Faulty statements regarding unlawful web content.

    In countries where software piracy is much less popular, this technique is not as reliable for the cyber fraudulences. Alternatively, the Trojan.IStartSurf popup alert may incorrectly declare to be originating from a law enforcement organization and also will report having located kid porn or other illegal information on the device.

    Trojan.IStartSurf popup alert might incorrectly assert to be deriving from a regulation enforcement organization as well as will certainly report having located child pornography or other unlawful information on the gadget. The alert will in a similar way consist of a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: 498243AD
md5: b5f42f3f3e6f4943d8fb1242f67f51d6
name: B5F42F3F3E6F4943D8FB1242F67F51D6.mlw
sha1: 6bbff8b227e0f8785722ff1e30400cfa6d4c8cd0
sha256: dbedda3ba4a4d90be2ca0a54ce0ec63ede1632f6567fe76687ab53b916b20932
sha512: 667b4c05e310c14fc7560d3969efc9f63021de35c65e73a044b586152c7156c28960c9a8103a4034c12658e1d56b2338c016625016f20a8fc05c69e9bf550b8e
ssdeep: 24576:VUd5jGhr1myRYr6z8FeQMMLjAPCbuqd+6N:VwexxRY+cyP
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan.IStartSurf also known as:

Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0053ee4b1 )
Elastic malicious (high confidence)
CAT-QuickHeal Swbndlr.Dlhelper.V2
ALYac Gen:Heur.Mint.Zamg.1
Cylance Unsafe
Zillya Adware.DownloadHelper.Win32.1581
Sangfor Trojan.Win32.Save.a
Alibaba AdWare:Win32/StartSurf.c9cc3970
K7GW Trojan ( 0053ee4b1 )
Cybereason malicious.f3e6f4
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.GLQD
APEX Malicious
Avast Win32:Adware-gen [Adw]
Cynet Malicious (score: 100)
Kaspersky not-a-virus:UDS:AdWare.Win32.DownloadHelper.gen
BitDefender Gen:Heur.Mint.Zamg.1
NANO-Antivirus Virus.Win32.Gen-Crypt.ccnc
MicroWorld-eScan Gen:Heur.Mint.Zamg.1
Tencent Malware.Win32.Gencirc.114d32b5
Ad-Aware Gen:Heur.Mint.Zamg.1
Sophos Mal/Generic-S + IStartSurfInstaller (PUA)
BitDefenderTheta Gen:NN.ZexaF.34170.cvW@auPnRtei
Emsisoft Gen:Heur.Mint.Zamg.1 (B)
SentinelOne Static AI – Malicious PE
Avira HEUR/AGEN.1143410
eGambit Unsafe.AI_Score_100%
Antiy-AVL Trojan/Generic.ASMalwS.28893D1
Microsoft Trojan:Win32/Wacatac.B!ml
GData Gen:Heur.Mint.Zamg.1
Acronis suspicious
McAfee Packed-FKC!B5F42F3F3E6F
MAX malware (ai score=82)
VBA32 BScope.Adware.StartSurf
Malwarebytes Trojan.IStartSurf
Panda Trj/GdSda.A
Rising Trojan.Kryptik!1.B33C (CLASSIC)
Ikarus Worm.Win32.Vundo
Fortinet W32/Kryptik.GLEW!tr
AVG Win32:Adware-gen [Adw]

How to remove Trojan.IStartSurf virus?

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 Trojan.IStartSurf 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 Trojan.IStartSurf you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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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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