98% of WannaCry Infections Occurred on Windows 7 Machines

Window XP Held Strong Against WannaCry – Despite Initial Reports

The ransomware that took the world by storm in mid-May was found to be far less successful on Windows XP computers than originally thought.  WannaCry ransomware was believed to spread vigorously due to the outdated Windows XP operating system.  However, according to a recent study, 98% of WannaCry victims were actually running Windows 7, not Windows XP.

Although, according to ZDNet, Windows XP operating systems still ran into issues when the WannaCry campaign went live.  Instead of being infected with ransomware, the infamous blue-screen-of-death (BSoD) appeared on XPs and resulted in a continuous reboot process.  Clearly, this is undesirable; but, compared to a ransomware infection, it’s the better alternative.

Second Wave Coming Soon?

Some experts believe another wave of WannaCry will be executed soon.  Another global attack may be on the horizon, but it will not be WannaCry, and it will likely be more advanced.

First, all current WannaCry variants are already on the blacklist — meaning all anti-virus solutions will block it.  Therefore, it will need to be an alternative variant that has not yet been identified.  This new variant will likely have a higher ransom demand than the first variant.  Although WannaCry took the world by storm, it had a rather small payout, of just over $100,000 in the last three weeks.  Also, the ransomware authors will likely target entities most susceptible to paying the ransom.

Some experts believe the new global attack may already be in the works.  There is a theory that the next global cyber attack will come in two parts.  First, the malware will be distributed as much as it possibly can.  It will originally sit idle until it has spread worldwide.  Then, when the time is right, the malicious infection will occur.

It’s no longer a question of if, but a question of when.  And when it does happen, will you be ready?

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9 thoughts on “98% of WannaCry Infections Occurred on Windows 7 Machines

  1. I have no idea where the data came from that shows that most computers infected, were Windows 7 machines. Now let me add that I don’t trust data unless I have some idea of the source. Nor do I trust the big corporations who have shown that they will say anything to make money.

    In this case, I can see the possibility of Microsoft highlighting that Win-7 machines were hardest hit in order to get more people to switch to Win-10. This puts more money in their coffers.

    The data on infections is useless without knowing the percentage, or number, of computers with the various vintages of Windows OS’s being used routinely. I can certainly see that many businesses are still running Win-7 as a means of keeping their costs down. Does that mean that there is a high percentage of Win-7 machine still in daily use, and that they may fall right in line with the average ratio of infections per each of the OS’s? Maybe Win XP has the same ratio as the newer versions.

    The data on infection rate is meaningless by itself without knowing more.

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    • Hi Ronald,
      You will need to go to the Google Play store on the Android device and download PC Matic for Android devices. Once installed, log into your PC Matic account. This will add the device to your PC Matic plan, making it one of the five devices your license is good for.
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  3. This SITE IS NUTS. NOW anything I post is labelled “Duplicate Comment”. This comment will ALSO be my LAST COMMENT ON THIS SITE.

  4. My alleged “Duplicate comment” was the first and only comment I have ever posted on this site since I only signed up with it a few minutes ago.


  6. I have Win XP XP3 (4) installed along side Win 10 64-bit. It is only used occasionally with a scanner for which there is no later driver. On booting to Win XP shortly after the WannaCry, worldwide scare a few weeks ago, the first thing Win XP did was to inform me that all threats from it were protected against. My browsers in Win 10 have suffered a redirect problem to “reimageplus.com” “weevah2top.com” and a few other recurring nuisance websites which malware fighter programs do not seem to be able to eliminate. Even following Microsoft or browser company instructions does not eliminate the problem.

    • @John Beach: I’ve had Win 1998, Win XP, Win2000, Win 7 and lastly Win 10. I was coerced into “upgrading” to Win 10 when I hadn’t used my PC for several months and when I tried to I was given some error that had to with ActiveX not being supported and no one could fix it so it was suggested that I download Win 10 which I found to be the worst version of Windows to date. From the first week after installation, I had to spend hours just trying to go from web site to another. My PC was besieged continuously by ransomware, malware, trojans, and PUPs during the year I had it. Finally, something deleted every bit of data and I was left with a computer that had nothing but a gray screen with a message that said “No OS detected.” I decided instead to go with a Mac-mini after learning that APPLE has an excellent security record and few instances of the issues I had with Win 10. Except possibly for Windows Vista which I heard was a disaster for users, Windows 10 is the worst OS EVER. I would suggest cutting your losses and get yourself an APPLE device.

    • @John Beach: I had a pretty good reply but oddly, at the end when I clicked SUBMIT I got a message that said it was a duplicate message, that I had already given that reply. At the risk of sounding like a crazy conspiracy nut, I don’t think Microsoft was too happy with my reply which basically said: Get rid of Windows 10; its more prone to ransomware, malware, PUPs, trojans etc. than any version prior to it and I’ve had Win 98, 2000, XP, 7, and lastly Windows 10 which destroyed all my data. I suggest you cut your losses and get an APPLE device. They are much more security conscious and have few problems like those I’ve listed.

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