They have telephone numbers on their Contact Us page. If you are located in South East Asia then perhaps that is an option for you.
If you are with one of the major credit card companies you may want to consider contacting them to halt the transactions.
I purchased the following items online with a Credit Card from http://www.egistec.com/ on March 18, 2010. .....
EGIS41AUS Egis Option Pack Download 1 $39.95 ....
EXTDL001 Extension Download 1 $4.95 ..... The company has the money. ..... I did not receive the Serial Number. ..... I get no replies when I send a request to Customer Service <email@example.com> for the Serial Number. ..... Can anyone get <firstname.lastname@example.org> to read their emails. ..... If I posted in the wrong CNet Forum area perhaps the Moderators can move this post to the correct area..