Scam phone caller knows my Windows licence number?

I received the scam phone call claiming my Microsoft Windows system had a virus.  They told me my Windows license number and they were correct!  How did they get my license number?
Answer
Answer

Did they get you to look at a CLSID? That isn't your license key. What they get you to look at is the same on all Windows computers. That is how they know it.

 

Here's a detailed description of one tactic used by scammers:

http://blog.eset.com/2011/07/19/support-desk-scams-clsid-not-unique

This answer is provided “as-is.” You bear the risk of using it.

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first this is a common scam.
Likely they told you the OEM SLP key which is common knowledge. Your windows is likely preinstalled so would have the OEM SLP KEY. An OEM SLP key is common to all models of computers of a manufacturer and varies only by the edition of windows.

Computers, which are built by large manufactures that come with Windows Pre-Installed, come with two (2) Product Keys:

 

A)   OEM SLP: This key comes pre-installed in Windows, when it comes from the Factory. This key is geared to work with the special instructions found only on that Manufacturer's computer hardware. So when Windows was installed using the OEM SLP key (at the factory) Windows 7 looks at the motherboard and sees the special instructions and Self-Activates. (that's why you did not need to Activate your computer after you brought it home)

 

B)    COA SLP: This is the Product key that you see on the sticker on the side (or bottom,[ or inside the battery compartment]) of your computer. It is a valid product key, but should only be used in limited situations (such as if the OEM SLP key stops self-activating for whatever reason). The key must be activated by Phone. (Note: All manufacturers that use the OEM SLP system are required by contract to include a Certificate of Authenticity (COA) sticker, that has a COA SLP key, on the computer)

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Last updated September 5, 2020 Views 11,047 Applies to: