MySql been constantly attacked by Trojan:Win32/Detplock

I am having a problem with this Trojan:Win32/Detplock constantly messing up my MySql and my client sever application that receives UDP data from datalogger devices on my Windows server I cleaned out the trojan re-installed my MySql but within a few days the infection re-appears and my application software stops receiving data from my data loggers can someone help.
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David Johnson, CD, MVPOwnerCommented:
You've found the destination, now find the source.
Run the Microsoft Safety Scanner on all PC's that can connect to the msqsl server
Detplock seems to be a Microsoft security essentials designation.  For a threat without specific understood symptoms.

I would suggest you examine more closely if a simple restart fixes the issue:  are you certain there is a malware issue and the SQL install is being broken?    It would be highly unusual for malware  to interfere for mySQL server operations,  or break a server;  usually malware is designed to operate covertly.

Perhaps your malware scanning tool is breaking things;  or it may be registering a false positive  (Detecting a critical SQL binary as malware,  that is not malware).

I would suggest scan a known clean version of the binaries being identified on another machine; to ensure you do not have a false positive.

If you have verified this is not a false positive from your scanning tool;    I would recommend you treat this as persistent (non-removable) malware threat,   meaning it may have made any number of configuration changes to ensure it can re-infect  after cleaned out;   the industry best practice is to rebuild the server and affected computers,  with clean software images,  restore database data from backup,  and ensure the server is fully updated.

Then review threat mitigation procedures  throuhout the environment;  including  making sure no-execute bit features are enabled in the system BIOS  use of EMET Mitigation tool,
review of Windows firewall settings,   antimalware/antivirus,  application whitelisting,
and ensuring that users are not browsing the web on servers,  and  users other than the network admin team do not have local admin access on any client computers or servers.

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Trevor_CAuthor Commented:
Please see attached results of antivirus scan
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Windows Server 2008

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