Where Do Most Spams Come From?

Last week, Symantec announced that most spams come from Europe. But a news release by Sophos claims that Asia is where most spams originate from. According to this list, the Spam contribution from the different continents are

Asia – 32.1%
Europe – 27.1%
North America – 26.5%
South America – 12.5%
Africa – 1.1%

The top 5 countries dishing out spam are

1. USA
2. Russia
3. China (including Hong Kong)
4. Brazil
5. South Korea

Where Do Most Spams Come From?

While a random guesser would say Nigeria is where most spams come from, Symantec says Europe is where most Spams originate. For the third month in a row, spams from Europe have outnumbered North America.

78.5 percent of Email in January was Spam
44 percent spams originate from Europe
35.1 percent spams come from North America

Largest Single Source of Spam

Storm worm botnet had accounted for 21 percent of all spam in September 2007. Since then, the new Mega-D Botnet has been steadily increasing in numbers and according to security vendor, Marshal, it now accounts for 32 percent of all spam sent.

Mega-D is hence currently the largest single source of spam.

Which is the most common malware?

Trojans. According to the recent report by PandaLabs, the percent infections caused by each of the different malwares are:

Trojans (25%)
Adware (23%)
Worms (9%)
Backdoors (4%)
Spyware (3%)
Dialers (3%)
Bots (2%)
Others (31%)

‘Others’ includes Viruses, hacking tools, PUPs, etc.