My Anti Spyware

October malware toplist by viruslist.com

# Greediest Trojan targeting banks: This month’s leader is a modification of Trojan-Spy.Win32.Banker.ezn, which targets 45 banks. This seems positively modest in comparison to last month’s leader, which set its sights on 134 banks simultaneously.
# Greediest Trojan targeting payment systems: Backdoor.Win32.Xhaker.c is very equitable in its approach – it attacks three e-payment systems and three plastic card systems.
# Greediest Trojan targeting plastic cards: See above.
# Stealthiest malicious program: The number 10 seems to be in favour at the moment – this month’s winner, Backdoor.Win32.Hupigon.mrv, is packed with ten different packers, just as last month’s leader was.
# Smallest malicious program: In spite of its tiny 17 bytes, Trojan.BAT.DeltreeY.a packs a punch and wins the October nomination.
# Biggest malicious program: Once again, a hefty representative of the Haradong family wins out – Trojan.Win32.Haradong.ct weighs in at 244MB, slightly larger than its close relative Haradong.bj, last month’s winner in this category.
# Most malicious program: Backdoor.Win32.Rbot.ejs, like so many past winners of this category, disables security solutions by deleting them from memory and from the registry.
# Most common malicious program in mail traffic: Email-Worm.Win32.Netsky.q retains its persistent presence in this category for the third month running, and made up 20.11% of all malicious programs in mail traffic in October.
# Most common Trojan family: In spite of an impressive 563 modifications, Trojan-Spy.Win32.Banker’s numbers are following last month’s trend, with figures just over 100 down on September’s.
# Most common virus/ worm family: Email-Worm.Win32.Zhelatin (a.k.a the Storm worm) continues to reign in this category for the second month running, with 38 modifications in October.

Read more: Malware Miscellany, October 2007

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