Malware Miscellany, December 2007
- Greediest Trojan targeting banks. Last month the winner of this title was Trojan.Win32.Qhost.sx, which targeted the customers of 42 banks.
- Greediest Trojan targeting payment systems. Trojan-Spy.Win32.Banker.bdn has its sights set on three payment systems at once.
- Greediest Trojan targeting payment cards.The winner of this category in December was Trojan-Spy.Win32.Banbra.vf.
- Stealthiest malicious program. Backdoor.Win32.Hupigon.rc is packed with 11 different packers, earning the title of December's stealthiest program.
- Smallest malicious program. Trojan.BAT.KillFiles.gm took the lead in this category in the first month of winter - weighing in at all of just 12 bytes, it can nevertheless wipe the C: drive clean.
- Largest malicious program. The largest malicious program in December wasn’t so large after all - Backdoor.Win32.Bifrose.adr weighs in at just 85MB, which is noticeably smaller than previous winners of this category.
- Most malicious program. December’s most malicious program, Backdoor.Win32.Hupigon.vqe, deletes security software from memory, the hard drive and the registry.
- Most common malicious program in mail traffic. Once again, old-timer Email-Worm.Win32.Netsky.q wins this category, making up a hefty 20.03% of all malicious code in mail traffic in December.
- Most common Trojan family. Backdoor.Win32.Rbot took this title last month with 673 modifications.
- Most common virus/worm family. Another repeat offender, Email-Worm.Win32.Zhelatin has made its way back to the top, winning this title in December with 69 new modifications.
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