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I work at an IT help center on a university campus. We offer virus cleanings and other general IT help to students, staff, and faculty. As part of our standard virus cleaning process, we run ComboFix. Starting yesterday, however, ComboFix will not run on any (6 or so machines) of the customers' machines we try to use it on. It stops with the error "Date Error: 2009-11-15, Check your settings."
The only way we have found to get it to run is by taking the customer's machine out from behind the firewall (done this on 3 machines so far). We have a machine running m0n0wall sitting between the switches that the customers' machines connect to and the internet. It has very stringent rules, allowing only ports 53 (DNS), 80 (HTTP), 443 (Secure HTTP), 21 (FTP), and 5722 (Jabber) outgoing.
We have also tried disconnecting the machines from the internet completely before running ComboFix, but that doesn't work either. This is odd, since ComboFix used to run just fine without an internet connection, usually in a reduced mode because the Windows Recovery Console isn't installed.
I found a version of ComboFix we downloaded 11/14/09 at 11:10am EST, and it runs OK right now (tested on 1 machine still behind the firewall).
Would anyone know if ComboFix was recently updated in a way that would cause this error if the computer has no or heavily firewalled internet connectivity?
The only way we have found to get it to run is by taking the customer's machine out from behind the firewall (done this on 3 machines so far). We have a machine running m0n0wall sitting between the switches that the customers' machines connect to and the internet. It has very stringent rules, allowing only ports 53 (DNS), 80 (HTTP), 443 (Secure HTTP), 21 (FTP), and 5722 (Jabber) outgoing.
We have also tried disconnecting the machines from the internet completely before running ComboFix, but that doesn't work either. This is odd, since ComboFix used to run just fine without an internet connection, usually in a reduced mode because the Windows Recovery Console isn't installed.
I found a version of ComboFix we downloaded 11/14/09 at 11:10am EST, and it runs OK right now (tested on 1 machine still behind the firewall).
Would anyone know if ComboFix was recently updated in a way that would cause this error if the computer has no or heavily firewalled internet connectivity?
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