ThreatExpert's Statistics for Win32.Virut.U [Ikarus]:

Win32.Virut.U [Ikarus] is also known as:

Threat Alias	Number of Incidents
PE_VIRUT.AP [Trend Micro]	29
Virus.Win32.Virut.bw [Kaspersky Lab]	29
Virus:Win32/Virut.BI [Microsoft]	29
W32/Virut.j [McAfee]	29
W32/Virut-Gen [Sophos]	28
W32.Virut.W [Symantec]	26
Win32/Virut.Gen [AhnLab]	7
Infostealer [Symantec]	2
Mal/HckPk-A, W32/Virut-Gen [Sophos]	1
Trojan.Pandex [Symantec]	1

Win32.Virut.U [Ikarus] has the following possible countries of origin:

Win32.Virut.U [Ikarus] is known to be created as:

%CommonAppData%\cfunilcb\arenqnqd.exe

%System%\csrsc.exe

%System%\reader_s.exe

%System%\rs32net.exe

%UserProfile%\reader_s.exe

c:\my girls\folderdata.exe

c:\recycler\lsass.exe

Notes:

%CommonAppData% is a variable that refers to the file system directory containing application data for all users. A typical path is C:\Documents and Settings\All Users\Application Data.
%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).
%UserProfile% is a variable that specifies the current user's profile folder. By default, this is C:\Documents and Settings\[UserName] (Windows NT/2000/XP).