ALCPU - 0.25% Detection Rate *

Did you just stumble upon a download or a file on your computer that is digitally signed by ALCPU? If so, please read on.

You will probably notice ALCPU when clicking to run the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screengrab shows:

Screenshot where ALCPU appears as the verified publisher in the UAC dialog

You can view the digital signature details for ALCPU with the following steps:

  1. Open Windows Explorer and locate the ALCPU file
  2. Right-click on the file and select Properties
  3. Click the Digital Signatures tab
  4. Click the View Certificate button

Here's a screenshot of a file digitally signed by ALCPU:

Screenshot of the ALCPU certificate

As you can see in the screenshot above, Windows states that "This digital signature is OK". This implies that the file has been published by ALCPU and that the file has not been tampered with.

If you click the View Certificate button shown in the screencap above, you can see all the details of the certificate, such as when it was issued, who issued the certificate, how long it is valid, and so on. You can also see the address for ALCPU, such as the street name, city and country.

COMODO RSA Code Signing CA and COMODO Code Signing CA 2 has issued the ALCPU certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.

ALCPU Files

The following are the ALCPU files I've gathered, thanks to the FreeFixer users.

Detection RatioFile Name
1/57Core-Temp-setup.exe
0/58ALSysIO.sys
0/56ALSysIO64.sys
0/25Core Temp.exe
0/65Core Temp.exe
0/67Core Temp.exe
0/72Core Temp.exe

Scanner and Detection Names

Here's the detection names for the ALCPU files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.

ScannerDetection Names
Invinceavirus.win32.virut.ab

* How the Detection Percentage is Calculated

The detection percentage is based on the fact that I have collected 400 scan results for the ALCPU files. 1 of these scan results came up with some sort of detection. You can view the full details of the scan results by examining the files listed above.

Analysis Details

The analysis is based on certificates with the following serial numbers:

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