Submission Summary:

What's been foundSeverity Level
Capability to send out email message(s) with the built-in SMTP client engine.
Creates a startup registry entry.
There were some system executable files modified, which might indicate the presence of a PE-file infector.
Contains characteristics of an identified security risk.


Technical Details:


Possible Security Risk

Threat CategoryDescription
A virus capable to modify other files by infecting, prepending, or overwriting them them with its own body
A network-aware worm that attempts to replicate across the existing network(s)


File System Modifications

#Filename(s)File SizeFile HashAlias
1 c:\Inetpub\wwwroot\readme.eml
[pathname with a string SHARE]\readme.eml
%ProgramFiles%\Common Files\System\ado\readme.eml
14,892 bytes MD5: 0xE2BD9F2E30B5E0E32DE43D47946F6055
SHA-1: 0xC4CD48E9727EE7557F62E2BC3E6F80D427C854D7
W32.Chir.B@mm [Symantec]
Email-Worm.Win32.Runouce.b [Kaspersky Lab]
Exploit-MIME.gen.c [McAfee]
Email-Worm.Win32.Runouce [Ikarus]
2 %System%\runouce.exe 10,748 bytes MD5: 0x3D2E027E3C05A30FCD84A4F48ACFF539
SHA-1: 0x7B7684F60640553AC050EDAADBACB4623664124B
W32.Chir.B@mm [Symantec]
Email-Worm.Win32.Runouce.b [Kaspersky Lab]
W32/Chir.b@MM [McAfee]
PE_Chir.B-O [Trend Micro]
W32/Chir-B [Sophos]
Virus:Win32/Chir.B@mm [Microsoft]
Email-Worm.Win32.Runouce [Ikarus]
Win32/ChiHack.worm.10748 [AhnLab]
3 [file and pathname of the sample #1] 1,616,668 bytes MD5: 0x74F74289C39EA33FCC9847220A8364A6
SHA-1: 0x797604E7F2C15DC72E9CF15B892616E59E1624BC
W32.Chir.B@mm [Symantec]
Email-Worm.Win32.Runouce.b [Kaspersky Lab]
W32/Chir.b@MM [McAfee]
PE_Chir.B [Trend Micro]
W32/Chir-B [Sophos]
Virus:Win32/Chir.B@mm [Microsoft]
Email-Worm.Win32.Runouce [Ikarus]
Win32/ChiHack.6652 [AhnLab]


Memory Modifications

Process NameProcess FilenameMain Module Size
runouce.exe%System%\runouce.exe24,576 bytes


Registry Modifications


Other details



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