Re: No other options but to press "OK"
There's a special kind of horrific English that spammers and malware authors use that's distinct from the horrific English that some native English speakers use. It is impossible to confuse the two.
If they'd just advertise on Craigslist in the US or UK for someone with an English degree to correct their spelling and syntax, they'd probably have a lot higher success rate in getting past what little skepticism the typical user has (yes, I know that misspellings in spam are deliberate to avoid filters)
I wonder if they have better results for infecting their countrymen (Chinese or Russian, most likely)