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Opinions needed... Virustotal percents...Follow

#1 Nov 08 2009 at 3:01 PM Rating: Good
Hello all.

I am trying to figure out if a certain file has a virus included with it. I am using Virustotal.com to test the file out.

The results from Virustotal is 17.50%. (7 virus programs found a virus... out of 40 programs that actually tested the file)

Virustotal.com wrote:
File Cinema_Craft_Encoder_SP2.exe received on 2009.11.08 20:26:08 (UTC)
Current status: finished
Result: 7/40 (17.50%)
 
Antivirus 	Version 	       Last Update 	Result 
a-squared 	4.5.0.41         2009.11.08 	- 
AhnLab-V3 	5.0.0.2 	        2009.11.06 	- 
AntiVir 	         7.9.1.61 	        2009.11.08 	- 
Antiy-AVL 	2.0.3.7          2009.11.05 	- 
Authentium 	5.2.0.5 	        2009.11.08 	- 
Avast 	         4.8.1351.0       2009.11.08 	- 
AVG 	         8.5.0.423        2009.11.08 	- 
BitDefender 	7.2 	        2009.11.08 	- 
CAT-QuickHeal 	10.00 	        2009.11.07 	- 
ClamAV            0.94.1           2009.11.08 	- 
Comodo 	          2886 	        2009.11.08 	- 
DrWeb 	       5.0.0.12182         2009.11.08 	- 
eTrust-Vet 	35.1.7108        2009.11.06 	- 
F-Prot 	         4.5.1.85         2009.11.08 	- 
F-Secure  	9.0.15370.0      2009.11.04 	- 
Fortinet  	3.120.0.0        2009.11.08 	- 
GData 	            19 	        2009.11.08 	- 
Ikarus 	         T3.1.1.74.0 	2009.11.08 	Trojan-Downloader.Win32.Mabjits 
Jiangmin 	         11.0.800          2009.11.08         TrojanDropper.Agent.aboi 
K7AntiVirus 	7.10.891   	2009.11.07 	- 
Kaspersky 	7.0.0.125 	2009.11.08 	- 
McAfee 	             5796  	2009.11.08 	- 
McAfee+Artemis 	      5796 	2009.11.08        - 
McAfee-GW-Edition     6.8.5 	2009.11.08 	- 
Microsoft 	   1.5202 	2009.11.08 	TrojanDownloader:Win32/Mabjits.A 
NOD32 	             4585   	2009.11.08 	- 
Norman 	           6.03.02 	2009.11.06 	- 
nProtect   	2009.1.8.0 	2009.11.08 	- 
Panda 	          10.0.2.2 	2009.11.08 	Trj/CI.A 
PCTools     	7.0.3.5           2009.11.06         Backdoor.Graybird 
Prevx 	            3.0 	         2009.11.08         Medium Risk Malware 
Rising 	         21.54.62.00       2009.11.08         Packer.Win32.UnkPacker.b 
Sophos 	          4.47.0 	         2009.11.08 	- 
Sunbelt 	         3.2.1858.2        2009.11.08         - 
Symantec    	1.4.4.12 	         2009.11.08 	- 
TheHacker 	6.5.0.2.063 	2009.11.06 	- 
TrendMicro 	9.0.0.1003 	2009.11.08 	- 
VBA32 	         3.12.10.11 	2009.11.07 	- 
ViRobot 	       2009.11.6.2025 	2009.11.06 	- 
VirusBuster 	4.6.5.0 	         2009.11.08 	-


Additional information
File size: 4895328 bytes
MD5 : 1f06745bfa68bc6d997718e920f4cd49
SHA1 : fce24a6b14d0426be4a6d2badfeebc90bfc0afb3
SHA256: f219f1f1d6fd733fbb1d79e46f237014d10ea2d676ef550fd627b105d7adf234
PEInfo: PE Structure information

( base data )
entrypointaddress.: 0x323F
timedatestamp.....: 0x49A05A0F (Sat Feb 21 20:46:23 2009)
machinetype.......: 0x14C (Intel I386)

( 5 sections )
name viradd virsiz rawdsiz ntrpy md5
.text 0x1000 0x5BA2 0x5C00 6.51 2cec663f64ef38694dc96bb9f9cb766d
.rdata 0x7000 0x1190 0x1200 5.18 db16645055619c0cc73276ff5c3adb75
.data 0x9000 0x3997D8 0x400 4.71 b9d0aa986d9e766521436f5ad38cd7c5
.ndata 0x3A3000 0x8000 0x0 0.00 d41d8cd98f00b204e9800998ecf8427e
.rsrc 0x3AB000 0x3110 0x3200 5.42 5e07cf22050fe377822ed5595a5ce236

( 8 imports )

> advapi32.dll: RegQueryValueExA, RegSetValueExA, RegEnumKeyA, RegEnumValueA, RegOpenKeyExA, RegDeleteKeyA, RegDeleteValueA, RegCloseKey, RegCreateKeyExA
> comctl32.dll: ImageList_AddMasked, ImageList_Destroy, -, ImageList_Create
> gdi32.dll: SetBkColor, GetDeviceCaps, DeleteObject, CreateBrushIndirect, CreateFontIndirectA, SetBkMode, SetTextColor, SelectObject
> kernel32.dll: CompareFileTime, SearchPathA, GetShortPathNameA, GetFullPathNameA, MoveFileA, SetCurrentDirectoryA, GetFileAttributesA, GetLastError, CreateDirectoryA, SetFileAttributesA, Sleep, GetTickCount, CreateFileA, GetFileSize, GetModuleFileNameA, GetCurrentProcess, CopyFileA, ExitProcess, SetFileTime, GetTempPathA, GetCommandLineA, SetErrorMode, LoadLibraryA, lstrcpynA, GetDiskFreeSpaceA, GlobalUnlock, GlobalLock, CreateThread, CreateProcessA, RemoveDirectoryA, GetTempFileNameA, lstrlenA, lstrcatA, GetSystemDirectoryA, GetVersion, CloseHandle, lstrcmpiA, lstrcmpA, ExpandEnvironmentStringsA, GlobalFree, GlobalAlloc, WaitForSingleObject, GetExitCodeProcess, GetModuleHandleA, LoadLibraryExA, GetProcAddress, FreeLibrary, MultiByteToWideChar, WritePrivateProfileStringA, GetPrivateProfileStringA, WriteFile, ReadFile, MulDiv, SetFilePointer, FindClose, FindNextFileA, FindFirstFileA, DeleteFileA, GetWindowsDirectoryA
> ole32.dll: CoTaskMemFree, OleInitialize, OleUninitialize, CoCreateInstance
> shell32.dll: SHGetPathFromIDListA, SHBrowseForFolderA, SHGetFileInfoA, ShellExecuteA, SHFileOperationA, SHGetSpecialFolderLocation
> user32.dll: EndDialog, ScreenToClient, GetWindowRect, EnableMenuItem, GetSystemMenu, SetClassLongA, IsWindowEnabled, SetWindowPos, GetSysColor, GetWindowLongA, SetCursor, LoadCursorA, CheckDlgButton, GetMessagePos, LoadBitmapA, CallWindowProcA, IsWindowVisible, CloseClipboard, SetClipboardData, EmptyClipboard, RegisterClassA, TrackPopupMenu, AppendMenuA, CreatePopupMenu, GetSystemMetrics, SetDlgItemTextA, GetDlgItemTextA, MessageBoxIndirectA, CharPrevA, DispatchMessageA, PeekMessageA, DestroyWindow, CreateDialogParamA, SetTimer, SetWindowTextA, PostQuitMessage, SetForegroundWindow, wsprintfA, SendMessageTimeoutA, FindWindowExA, SystemParametersInfoA, CreateWindowExA, GetClassInfoA, DialogBoxParamA, CharNextA, OpenClipboard, ExitWindowsEx, IsWindow, GetDlgItem, SetWindowLongA, LoadImageA, GetDC, EnableWindow, InvalidateRect, SendMessageA, DefWindowProcA, BeginPaint, GetClientRect, FillRect, DrawTextA, EndPaint, ShowWindow
> version.dll: GetFileVersionInfoSizeA, GetFileVersionInfoA, VerQueryValueA

( 0 exports )
TrID : File type identification
Win32 Executable MS Visual C++ (generic) (65.2%)
Win32 Executable Generic (14.7%)
Win32 Dynamic Link Library (generic) (13.1%)
Generic Win/DOS Executable (3.4%)
DOS Executable Generic (3.4%)
ssdeep: 98304:nFXVabzdCzM6SEWU/0gi+4NZpUqBJbCKCE+wNOIczw8:n7IJCzCEW+0537UqTmK/+DI+
Prevx Info: info.prevx.com/aboutprogramtext.asp?PX5=757F3DBE60DA0749B2CA4AA51145F20061E2AB8A
PEiD : -
packers (F-Prot): NSIS
RDS : NSRL Reference Data Set


Sorry about the spacing on the chart above... I couldn't get it right with pre and /pre commands...

My question is this... Would you trust most of the well known virus scanners who say the file isn't a virus... or the not-so-well-known scanners? Maybe the not-so-well-known programs are seeing false positives...?

I was going to test out Sandboxie to see if anything came up, but I do not own a 32-bit OS anymore... Smiley: cry and the author of Sandboxie can't guarantee that running Sandboxie on a 64-bit OS will not let stuff slip into other parts of your PC...

Any thoughts other than "do not use the file"? Smiley: sly





Edited, Nov 8th 2009 8:02pm by PentUpAnger
#2 Nov 08 2009 at 7:13 PM Rating: Excellent
Gonna go with false positives. If all the virus scanners that picked it up had said it was the same thing, then I'd say it was a genuine risk. But only two of them came up with the same virus name; the other 5 all say something completely different.
#3 Nov 12 2009 at 7:13 AM Rating: Decent
*
107 posts
OK first Im not sure what O/s or what program you are testing. It appears to have a virus.
A lot of scanners use trj-a,b,c to "lump" series of different viruses together since they tend to act and harm similar files. This may be why you aren't getting the same name for each scan that pops a positive. If you really need the file, ie it's a program you have to have for work etc. I would make sure I have a clean restore point antimalware bytes as well as super antispyware and your personal favorite av program, and install it. The worst that can happen is you need to lose it. Run abm then Sas then your own av prog, if that doesnt work sys-restore it. It sucks that programs we want/need sometimes come with the viruses attached and worse imbedded into them at times but it appears you are doing your best to protect yourself. G/l and if you have any problems holler back and Im sure we will all be happy to help.
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