Hard Drive Diagnostic Description

Hard Drive Diagnostic is a rogue optimization program that is capable of blocking programs already installed on a user’s PC and displays fake error messages to drive users to purchase the program. Hard Drive Diagnostic belongs to the same rogue system optimization family as HDD Control, Scan Disk, and HDD Scan. Hard Drive Diagnostic issues fabricated warnings about a system’s RAM memory and hard drive. Hard Drive Diagnostic can prevent users from downloading applications from the Web or executing nearly any program, even certain anti-virus programs, on their computers. Hard Drive Diagnostic is ransomware that users should never rely on or purchase. Users that find themselves infected with Hard Drive Diagnostic should use a reliable ransomware/malware remover to rid their computers of this rogue.

Type: Misleading Product

Aliases: HDD Diagnostic.

How Can You Detect Hard Drive Diagnostic?

Hard Drive Diagnostic Technical Report

As new Hard Drive Diagnostic details are reported by our customers and findings from our Threat Research Center, we will update this section.

Fake message for Hard Drive Diagnostic:

The following fake error message(s) appears for Hard Drive Diagnostic:

The system has been restored after a critical error. Data integrity and hard drive integrity verification required.

Critical Error
A critical error has occurred while indexing data stored on hard drive. System restart required.

Bad Sectors on hard drive or damaged file allocation table – Critical Error

Requested registry access is not allowed. Registry defragmentation required
Read time of hard drive clusters less than 500 ms
32% of HDD space is unreadable
Bad sectors on hard drive or damaged file allocation table
GPU RAM temperature is critically high. Urgent RAM memory optimization is required to prevent system crash
Drive C initializing error
Ram Temperature is 83 C. Optimization is required for normal operation.
Hard drive doesn’t respond to system commands
Data Safety Problem. System integrity is at risk.
Registry Error – Critical Error

Hard Drive Diagnostic has typically the following processes in memory:

• %Temp%\[RANDOM CHARACTERS].dll
• %Temp%\[RANDOM CHARACTERS].exe

Hard Drive Diagnostic creates the following registry entries:

• HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “[RANDOM CHARACTERS].exe”
• HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “[RANDOM CHARACTERS]”

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