Written by Robert Bailey

What is Adware.SpecialSearchOffer infection?

In this post you will certainly discover regarding the definition of Adware.SpecialSearchOffer as well as its negative influence on your computer. Such ransomware are a kind of malware that is specified by on the internet scams to demand paying the ransom by a victim.

GridinSoft Anti-Malware Review

It is better to prevent, than repair and repent!

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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In the majority of the instances, Adware.SpecialSearchOffer ransomware will certainly advise its victims to launch funds move for the purpose of counteracting the amendments that the Trojan infection has introduced to the victim’s device.

Adware.SpecialSearchOffer Summary

These adjustments can be as follows:

  • Presents an Authenticode digital signature;
  • Anomalous binary characteristics;
  • Ciphering the records located on the victim’s hard disk drive — so the victim can no more utilize the data;
  • Preventing routine accessibility to the sufferer’s workstation;


The most normal networks where Adware.SpecialSearchOffer are injected are:

  • By methods of phishing e-mails;
  • As a consequence of user winding up on a resource that organizes a malicious software application;

As soon as the Trojan is effectively infused, it will certainly either cipher the data on the victim’s PC or protect against the device from functioning in an appropriate fashion – while likewise positioning a ransom money note that discusses the requirement for the targets to impact the repayment for the function of decrypting the papers or restoring the data system back to the initial condition. In the majority of circumstances, the ransom money note will certainly show up when the client reboots the PC after the system has actually already been damaged.

Adware.SpecialSearchOffer distribution channels.

In numerous edges of the world, Adware.SpecialSearchOffer expands by jumps and bounds. Nonetheless, the ransom money notes and also methods of obtaining the ransom money quantity may vary relying on specific regional (local) settings. The ransom notes as well as techniques of obtaining the ransom money amount might vary depending on specific local (local) setups.

Ransomware injection

As an example:

    Faulty notifies regarding unlicensed software program.

    In particular areas, the Trojans usually wrongfully report having actually discovered some unlicensed applications made it possible for on the victim’s device. The alert then demands the customer to pay the ransom.

    Faulty declarations about illegal web content.

    In nations where software application piracy is much less prominent, this approach is not as efficient for the cyber fraudulences. Additionally, the Adware.SpecialSearchOffer popup alert may falsely claim to be originating from a law enforcement organization as well as will certainly report having located kid porn or various other unlawful data on the tool.

    Adware.SpecialSearchOffer popup alert may incorrectly claim to be acquiring from a law enforcement institution and also will certainly report having located kid pornography or various other prohibited data on the device. The alert will in a similar way have a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: ABF8BA81
md5: 9a406344f52052bd8f3404fca6adf0d8
name: 9A406344F52052BD8F3404FCA6ADF0D8.mlw
sha1: c4535ba148897af4d0024b23777846880684582a
sha256: bed8a93ce86a6a5c90a90d516b96256dc8a3130c59a5555cf705ea33fe000f63
sha512: f492f0f7d9dfa9ff3e654c39b38e1572d49a40dcf7a089f4a6bea91b38c3ae67a278f6990f24a8d9103dc6c653a0e9398a6f2e6152da377af3a7bbbe8b576a14
ssdeep: 98304:SqqWTL3q8kzXcLD2drAyFSLSeCSa+wtEP3eP5DU2EYqQ:SG4XcnQrAyMCQePNBbqQ
type: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

LegalCopyright: xa9 Primero Updater Company 2020
CompanyName: Primero Updater Company
ProductName: PrimeroUpdater
FileDescription: PrimeroUpdater
Translation: 0x0409 0x04e4

Adware.SpecialSearchOffer also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Riskware ( 0040eff71 )
Elastic malicious (high confidence)
DrWeb Adware.Downware.19849
Cynet Malicious (score: 99)
CAT-QuickHeal PUA.OpensupdaterRI.S21220118
ALYac Application.OpenSUpdater.O
Sangfor Trojan.Win32.Bitrep.B
Alibaba AdWare:MSIL/OpenSUpdater.eae831f2
K7GW Riskware ( 0040eff71 )
Cybereason malicious.4f5205
Cyren W32/OpenSUpdater.Z.gen!Eldorado
Symantec Ransom.Hermes!gen2
ESET-NOD32 a variant of MSIL/Adware.OpenSUpdater.F
APEX Malicious
Avast Win32:AdwareSig [Adw]
BitDefender Application.OpenSUpdater.O
MicroWorld-eScan Application.OpenSUpdater.O
Sophos VOMPT OneUpdater (PUA)
VIPRE MSIL.Adware.OpenSUpdater
FireEye Application.OpenSUpdater.O
Emsisoft Application.Updater (A)
Webroot W32.Adware.Gen
Avira HEUR/AGEN.1143312
Antiy-AVL Trojan/Generic.ASMalwS.32AC1C4
Microsoft Trojan:Win32/Bitrep.B
GData Application.OpenSUpdater.O
McAfee Artemis!44F09F139D82
MAX malware (ai score=85)
VBA32 Adware.Downware
Malwarebytes Adware.SpecialSearchOffer
Yandex PUA.Agent!PPW/7GMPAJM
Ikarus AdWare.MSIL.Opensupdater
AVG Win32:AdwareSig [Adw]

How to remove Adware.SpecialSearchOffer 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 Adware.SpecialSearchOffer 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 Adware.SpecialSearchOffer 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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