ThreatExpert Report: Mal/FakeAV-V, Trojan:Win32/FakeXPA

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Submission Summary:

Submission details:

Submission received: 25 February 2009, 14:15:45
Processing time: 5 min 41 sec
Submitted sample:

File MD5: 0x6A11F48FF78E50C384DED1658C427853
File SHA-1: 0xB69E73ACD18B9388FA9BBBC5D88A5F0FEF479BF5
Filesize: 2,101,248 bytes
Alias:

Mal/FakeAV-V [Sophos]
Trojan:Win32/FakeXPA [Microsoft]

Summary of the findings:

What's been found	Severity Level
Contains characteristics of a rogue antispyware application that uses aggressive and deceptive advertising along with false reports of exaggerated system security threats to persuade users to download and purchase their product.
Downloads/requests other files from Internet.
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

Attention! Characteristics of the following security risk was identified in the system:

Security Risk	Description
RogueAntiSpyware.AntiVirus360	RogueAntiSpyware.AntiVirus360 displays fake alerts in malware payloads in order to persuade users into buying the rogue antispyware products.

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%DesktopDir%\A360.lnk	650 bytes	MD5: 0x91EC8C8F8C895E81252631BF31C66358 SHA-1: 0xC64CF012D9BB20469E538BB2D64A870E46E6A7B0	(not available)
2	%StartMenu%\A360\A360.lnk	656 bytes	MD5: 0x3D5DCBB43822EB00312425B7CD7D6D50 SHA-1: 0x008F96A8E2DF0C72E6D30BD784F2E3E5AB373125	(not available)
3	%StartMenu%\A360\Help.lnk	666 bytes	MD5: 0xC172B92D9F23AB9966D5A6735C660FA7 SHA-1: 0x2D7DC5CD75BF5EBAA92CC28E17467D9BD8336CA2	(not available)
4	%StartMenu%\A360\Registration.lnk	682 bytes	MD5: 0x6C1A03AA406E743A239FAC31BA8F7462 SHA-1: 0x5508C95A058A26C20B5AE5A49250A7B0FC170413	(not available)
5	%ProgramFiles%\Common Files\System\Uninstall\Uninstall A360.lnk	674 bytes	MD5: 0x27BF57C38FDB0083DB97308AB25D3AE7 SHA-1: 0x401B4D03A8F47E886802C0EDC338E6F3FF9EF3CE	(not available)
6	[file and pathname of the sample #1]	2,101,248 bytes	MD5: 0x6A11F48FF78E50C384DED1658C427853 SHA-1: 0xB69E73ACD18B9388FA9BBBC5D88A5F0FEF479BF5	Mal/FakeAV-V [Sophos] Trojan:Win32/FakeXPA [Microsoft]
7	%System%\winconfig.dll.tmp.tmp	0 bytes	MD5: 0xD41D8CD98F00B204E9800998ECF8427E SHA-1: 0xDA39A3EE5E6B4B0D3255BFEF95601890AFD80709	(not available)

Notes:

%DesktopDir% is a variable that refers to the file system directory used to physically store file objects on the desktop. A typical path is C:\Documents and Settings\[UserName]\Desktop.
%StartMenu% is a variable that refers to the file system directory containing Start menu items. A typical path is C:\Documents and Settings\[UserName]\Start Menu.
%ProgramFiles% is a variable that refers to the Program Files folder. A typical path is C:\Program Files.
%System% is a variable that refers to the System folder. By default, this is C:\Windows\System (Windows 95/98/Me), C:\Winnt\System32 (Windows NT/2000), or C:\Windows\System32 (Windows XP).

The following directories were created:

%StartMenu%\A360
%ProgramFiles%\Common Files\System\Uninstall

Memory Modifications

There was a new process created in the system:

Process Name	Process Filename	Main Module Size
[filename of the sample #1]	[file and pathname of the sample #1]	7,032,832 bytes

Registry Modifications

The following Registry Key was created:

HKEY_CURRENT_USER\Software\5C9A918C7CB9DA5C8D47BE798C6E2BAC

The newly created Registry Value is:

[HKEY_CURRENT_USER\Software\5C9A918C7CB9DA5C8D47BE798C6E2BAC]

tqpyrbraoiz = "I;C?V?g_RGo[MU>_JU?QJNsAJVPCnUuV\UKGO:C^`VXK\GmK_KLkOWmNkVICOTukACpvpNW?@Q^y!"
onrkpb = "F__QR^CqNuOLRhjqRM?_JUsqA?GpPHRpNYoqSgc@IvvnSak_Yk;PICJ?L]XKgqL>SjI`naPVgNWOg\A]?@JXcPOvRlPaWOU_OOU^oORuC:FQCqU^_^XmOQU`so
zizkjeomaz = ""
hmpsqeood = "HMooSDO@YrcLX]bPOfsOVYNnRUkPm!!"
vmjvmbc = ">QS>PukPK@KMJar?Y
pqjrgddwhk = ":p[OOrgpTycLXMf_VUGPTHK`:`o?Pp:pPhSpP;^jRrgNSooM
pqjreec = "="
hzytqqz = ""
pqjrlwlm = "?v[QLPKOPQk:QQjpWtoqN_G>NkBOQGcZO]KoI^b`YCg:p!"
pqjrgddwhn = ">QS>PukPK@KMJa>?JkOOJ=g>GJ[^NRb`QZ_NNyJLOBg^NDgmCf?oNlkQLs_ASM?a;EB_Ja;]D!"
pqjrmw = ">QS>PukPK@KMJa>?JkOOJ=g>GJ[^NRb`QZ_NNyJLOBg^NDgmCf?oNlkQLs_ASM?a;EB_Ja;];!"
ziqzjkksh = "10/19/2008"
wvqzybitg = "10/19/2008"
jryzrj = "AgoLW\CQN`WOP=woLgKnUugoGDbNYZ;QKJKPRoflL=gaQ!"
jpysg = "HdOPWEGORiw>LPVmDGRme!!"
gkfgkuny = ">=WoVb;qO:CaWY?mS^C^XXw`L!"
gxfgkuonc = "Bf?
nuatqy = ""
gmaapyqza = "000000000000000000000000000000000000000000"
gkytq = "1"
ziqzksxpcn = "19.10.2008 18:44:12"
tafgkurqkl = "H=;>JI_oTo?QPkZpLUOyR!!"

The following Registry Value was modified:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Security Center]

AntiVirusOverride = 0x00000001
FirewallOverride = 0x00000001

Other details

The data identified by the following URLs was then requested from the remote web server:

http://update.microsoft.com/windowsupdate/v6/thanks.aspx
http://securedwindowsupdate.cn/firstrun.php?product=A36&aff=&update=2302/360&crypt=g&time=6:44:10 PM
http://onlinesoftwareupdate.com/zsa360/winconfig.dll

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