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Virus Alerts August 2007

Our VIRUS Alert Post

Here you will find recent virus & malware alerts...

Descriptions for Newly Discovered Threats (Includes Viruses, Trojans and Hoaxes)

Top 10 malware reported to Sophos in August 2007

Position

Last
month

Malware

Percentage of reports

W32/Netsky

30.5%

W32/Zafi

20.0%

W32/Mytob

15.0%

New

Troj/Pushdo

10.8%

Re-entry

Troj/Dloadr

4.8%

W32/MyDoom

4.4%

New

Mal/Dropper

2.3%

W32/Bagle

2.1%

New

W32/Sality

1.8%

W32/Traxg

1.2%

Others

7.1%

This section is for technical experts who want to know more.

Troj/Dloadr-BCP is a Trojan for the Windows platform.

Troj/Dloadr-BCP has been spammed out in email messages masquerading as free photos/videos of celebrities.

When Troj/Dloadr-BCP is run it creates the file <System>\drivers\runtime.sys. This file is already detected as Troj/NTRootK-BY. The file runtime.sys is registered as a new system driver service named "runtime". Registry entries are created under:

HKLM\SYSTEM\CurrentControlSet\Services\runtime

Troj/Dloadr-BCP also drops the file <System>\drivers\secdrv.sys (overwriting existing file if it exists). This file is already detected as Troj/Agent-FVT.

Recently added hoaxes
25 Sep 2007	Evan Trembley
23 Aug 2007	Life in the 1500s
20 Aug 2007	Bum_tnoo7 Facebook hacker
10 Aug 2007	To Kill an American
3 Aug 2007	Nigerian Global Warming
20 Jul 2007	Heart attacks and warm water
18 Jul 2007	Breakfast at McDonald's
10 Jul 2007	Assassin contract scam
3 Jul 2007	Popeye's Mom
18 Jun 2007	Angels exist

Most prevalent hoaxes
1	Olympic torch
2	Hotmail hoax
3	A virtual card for you
4	A Vida é Bela
5	Parcel Delivery Service scam
6	Dear YAHOO User
7	Budweiser frogs screensaver
8	Welcome to the Matrix
9	It Takes Guts
10	JDBGMGR

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