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What really makes the difference is i have a 100% chance of getting the virus removal out of the deal due to the cost of both repairs. My scenario: (Retail Price) $24 - (Cost) $0 - $24 profit. So Best Buy makes (Retail price) $40 - (Cost) $8 = $32 profit.

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So to figure the math on profit for Best Buy: PC Tune-up = $40, cost to pay wage of tech for the hour $8. So in this case, the customer says do the tune-up and then maybe they will decide to do the virus removal (28% of Best Buys customer went with virus removal).

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So as a tech for this company i would offer the tune-up/virus removal approach (roughly $39.99 for tune-up staples is free and $99-$129 for virus removal) customer always opts for the cheaper alternative first. Let me give you a situation i have dealt with many times in the various companies i have done tech work for (Best Buy, Staples, etc.): A customer comes in and states that they are having problems with their pc running extremely slow. 15 “before any known harm was done.The $3.99/gallon gas company would not be in business because their entire customer base would migrate to the cheaper competitor. Reuters goes on to quote Avast as saying the C2 server was closed down on Sept. An estimated 2.27 million CCleaner users affectedĪccording to Reuters, Avast estimates that “2.27 million users had downloaded the August version of CCleaner.” It isn’t clear from the report if that’s the total number of downloads for CCleaner 5.33. The primary infection Command server has been taken offline, as has a secondary server.Īccording to Talos, the Virus Total regimen for checking antivirus products against a submitted sample turned up only one AV package that correctly identifies this infection, '-6336251-0.'Īntivirus packages will likely increase their detections in the next few hours, but it’s still concerning. Talos published very convincing logs of attempts by infected machines to hook into the bot Command sites.

Ccleaner malware removal install#

If you install CCleaner 5.33, your machine hooks into a bot network. The details are complex, but the upshot is clear: Somebody managed to tack a malware package onto the legitimate distribution file for CCleaner.

If you installed CCleaner 5.33, you're infected During the installation of CCleaner 5.33, the 32-bit CCleaner binary that was included also contained a malicious payload that featured a Domain Generation Algorithm (DGA) as well as hardcoded Command and Control (C2) functionality. …Įven though the downloaded installation executable was signed using a valid digital signature issued to Piriform, CCleaner was not the only application that came with the download. For a period of time, the legitimate signed version of CCleaner 5.33 being distributed by Avast also contained a multi-stage malware payload that rode on top of the installation of CCleaner.

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Talos recently observed a case where the download servers used by software vendor to distribute a legitimate software package were leveraged to deliver malware to unsuspecting victims. (Piriform was bought by antivirus giant Avast in July.)Įdmund Brumaghin, Ross Gibb, Warren Mercer, Matthew Molyett, and Craig Williams at Talos report: I just checked, and the current version available from Piriform is version 5.34. 11.Īfter notifying Piriform, CCleaner was, ahem, cleaned up and version 5.34 appeared on Sept.

15 and which, according to Talos, was still the primary download on the official CCleaner page on Sept. Talos Intelligence, a division of Cisco, just published a damning account of malware that it found hiding in the installer for CCleaner 5.33, the version that was released on Aug.

15, a couple of nasty programs came along for the ride. If you installed the free version of CCleaner after Aug.