What are the most common originating email addresses of viruses?

Unfortunately, malware developers have hijacked the email address of popular businesses. Following are the most common email addresses that are used to send malware:

customer.details@facebook.com
password.service@facebook.com
support@facebook.com
parcel.delivery@ups.com
delivery@ups.com
tracking@ups.com
manager@ups.com
delivery@fedex.com
tracking@fedex.com
delivery@dhl-usa.com

With client approval, I typically block these domains entirely using Microsoft Exchange Sender Filter.

http://www.smartnetadmin.com

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Access Denied (policy_denied). Your system policy has denied access to the requested URL. For assistance, contact your network support team.

While browsing the internet, you may encounter the message: "Access Denied (policy_denied). Your system policy has denied access to the requested URL. For assistance, contact your network support team." This message indicates the internet traffic is being filtered. The most common source of an internet traffic filter is in corporate environments that use a proxy server or a firewall appliance designed to filter web traffic. Some businesses are configured as satellite locations using a VPN tunnel. In these configurations, the VPN may be configured to filter internet traffic. In rare instances, the Internet Service Provider is filtering internet traffic. Typically though, your IT Department or a Network Management Team has configured your internet traffic to be filtered. Isolating Source of Web Filtering In an environment that is unmanaged and the source of the filtering is unknown, following are some steps you may wish to peform: Th...

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How do you stop an unstoppable Windows Service?

You may encounter a Windows Service in Services that has the buttons for Start, Stop, Pause and Resume greyed out. If you attempt to stop the Service using sc stop [servicename], you encounter the error message: "The requested control is not valid for this service." To resolve this issue, please perform the following steps: Click Start - Control Panel - Administrative Tools - Services. Double-click the relevant Service. Change the Service Start-Up Type to Disabled. Click Apply. Click OK. Hit CTRL-ALT-DEL on your keyboard. Select Task Manger. Perform an End Task on the relevant Service. This issue has been resolved. http://www.smartnetadmin.com

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