Submission Summary:

What's been foundSeverity Level
Hosts file modification that may block access to the security web sites.
Communication with a remote IRC server.
Downloads/requests other files from Internet.
Compromises SafeBoot registry key(s) in an attempt to disable the Safe Mode.
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:

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Possible Security Risk

Security RiskDescription
Spyware.Alexa This is a toolbar installed on your Internet Explorer without warning that if you use it, you will be sending information to MSN and Alexa. If you don't use the toolbar, it is harmless. The general recommendation is to remove it.
Virus.Parite.B Virus Parite.B will remain in memory after executed, and infecting every SCR and PE file on every drive and network share.
Adware.Component.Unrelated These common components have files and keys that are in different threats but the threats are not related to one another in that the author of the signature is not the same. It is recommended that all these entries be removed.
Trojan.Obfuscated.GX Trojan.Obfuscated.GX will try to download other files through the internet to complete it's malicious routines without user's knowledge.
Trojan.Refpron.GEN Trojan.Refpron.GEN on execution runs in the background and can download other malicious files onto the computer without users knowledge.

Threat CategoryDescription
A malicious trojan horse or bot that may represent security risk for the compromised system and/or its network environment
A virus capable to modify other files by infecting, prepending, or overwriting them them with its own body
A keylogger program that can capture all user keystrokes (including confidential details such username, password, credit card number, etc.)
A malicious backdoor trojan that runs in the background and allows remote access to the compromised system

 

File System Modifications

#Filename(s)File SizeFile HashAlias
1 %Temp%\2456094.exe 87,040 bytes MD5: 0x457A2278A8EDD12FCAB2E117F2BC7023
SHA-1: 0x0544C6F0206A1851696BD4FA0F001E27D0CF7982
Packed.Win32.Koblu.c [Kaspersky Lab]
Refpron.gen.i [McAfee]
Mal/Refpron-B [Sophos]
Backdoor:Win32/Refpron.P [Microsoft]
2 %Temp%\2462815.exe 115,200 bytes MD5: 0x985F34162F77C45C85532ED307B904A6
SHA-1: 0x1082686B6E3A358BCB4B34916EA5B827B63C57FF
(not available)
3 %Temp%\271xxx.dll 26,112 bytes MD5: 0x1DCFECB5AA10096BEB337AFBC087AC62
SHA-1: 0x34AA4386E008B44EAE286D08645B40106205A830
Trojan-PSW.Win32.Agent.oll [Kaspersky Lab]
4 %Temp%\3.log 187 bytes MD5: 0xF5759012306B8ED9282D273935FEA0AB
SHA-1: 0xF27DC40CAAE2F0AD3133B675812FF5193351B043
(not available)
5 %Temp%\52725usc.dll 11,776 bytes MD5: 0xEE3394F042EB539904723EC1C1056717
SHA-1: 0x648036285B33DEAA63D2251D88C768E7C4E592E8
(not available)
6 %Temp%\hdcfhe.dll 6,656 bytes MD5: 0x1BE1BE10642D543902F4D1C1A074BE70
SHA-1: 0x4E4DA0CF1DAED28653C3F4F8B6F00B9E4D094E35
Downloader-BGO [McAfee]
7 %Temp%\ka.ini 60 bytes MD5: 0x98DEB5378F4F290120E32BF5D2FB15DA
SHA-1: 0xABD566CBF8EACCDB4841CD2337F9CBCB468FDF5E
(not available)
8 %Temp%\mta13187.dll
%Temp%\x1c53994.dll
%Windir%\Temp\mta13187.dll
612,352 bytes MD5: 0x3F795D6FB4050C93CBBD0FF699A2635A
SHA-1: 0xD6F6FF1E3809C980CA78710E842AC3F1C1697E92
(not available)
9 %Temp%\nia7.tmp
%Temp%\qja8.tmp
%Windir%\Temp\mja9.tmp
%Windir%\Temp\xfa6.tmp
176,128 bytes MD5: 0x685F1CBD4AF30A1D0C25F252D399A666
SHA-1: 0x6A1B978F5E6150B88C8634146F1406ED97D2F134
Virus.Parite.B [PCTools]
W32.Pinfi [Symantec]
Trojan.Win32.Genome.cssz [Kaspersky Lab]
W32/Pate.b.dll [McAfee]
PE_PARITE.A-O [Trend Micro]
W32/Parite-B [Sophos]
Virus:Win32/Parite.B.dll [Microsoft]
Win32/Parite [AhnLab]
10 %UserProfile%\ntuser.dll
%Programs%\Startup\scandisk.dll
%System%\calc.dll
%Windir%\Temp\rundll32.dll
24,064 bytes MD5: 0x487D788710F5AC5E406BC40748F973BD
SHA-1: 0xD268EFD1EA8268949551F7DB1D8BB0D3A2895A7D
Trojan-PSW.Generic [PCTools]
Infostealer [Symantec]
Packed.Win32.Krap.ah [Kaspersky Lab]
Mal/EncPk-MA, Mal/FakeDouf-B [Sophos]
Packed.Win32.Krap [Ikarus]
11 %Programs%\Startup\scandisk.lnk 655 bytes MD5: 0x6DD9F4546AA0A7BCD89C00844B635F53
SHA-1: 0x5A6D36E041C59B1689B6CD62FE32C93369C55FFD
(not available)
12 %Windir%\Install.txt
%System%\Install.txt
266 bytes MD5: 0x5EA154792744C57AAEE317012CD835E4
SHA-1: 0x6E9BD312CECBEB0D8948E53F0D84879C3787A8D1
(not available)
13 %Windir%\isvchost.exe 599,508 bytes MD5: 0xDECE7E8313561306FABBC2B9CF25C3EA
SHA-1: 0xB181E7ED34C2A056FBBCAAC78EAF1CDBD46DE383
Win32.Parite.B [PCTools]
W32.Pinfi [Symantec]
Virus.Win32.Parite.b [Kaspersky Lab]
W32/Pate.b [McAfee]
PE_PARITE.A [Trend Micro]
W32/Parite-B [Sophos]
Virus:Win32/Parite.B [Microsoft]
Win32/Parite [AhnLab]
14 %Windir%\svchost.exe 1,166,848 bytes MD5: 0x48EAF5CD4962747FFCD3473AB3BB1795
SHA-1: 0x1D1114BBE90B70A758153489F80D202884407D21
Malware.Virut [PCTools]
W32.Virut.CF [Symantec]
Virus.Win32.Virut.ce [Kaspersky Lab]
W32/Virut.n.gen [McAfee]
W32/Scribble-B [Sophos]
Virus:Win32/Virut.BM [Microsoft]
Win32/Virut.F [AhnLab]
15 %Windir%\svchust.exe 924,126 bytes MD5: 0x800C8980244B97D1792FF1DFFA37A148
SHA-1: 0xE9522C9CF70F4FA984DCF605CD680E3EB1B8D128
Win32.Parite.B2 [PCTools]
W32.Pinfi [Symantec]
Virus.Win32.Parite.b [Kaspersky Lab]
W32/Pate.b [McAfee]
PE_PARITE.A [Trend Micro]
W32/Parite-B [Sophos]
Virus:Win32/Parite.B [Microsoft]
Win32/Parite [AhnLab]
16 %System%\3.tmp 88 bytes MD5: 0xC366C61C89A3D6CB7201D6E3C9AB16C7
SHA-1: 0x1E4C6122D17C071C879926363C53D9264A83D9F4
(not available)
17 %System%\3cd05.dll 312,525 bytes MD5: 0xAE01E46F8D06D0A796BAF6C9F55B6B35
SHA-1: 0xA4480FF93CB14BF2B940E6FDB3FAE623BD9A32D8
Mal/Patched-A [Sophos]
18 %System%\5.tmp 88,576 bytes MD5: 0x1C5E79F5F4CAAB5F5C9A69AB91D478B2
SHA-1: 0x428D52728C29EC557F1E4DF282AB76AF70230823
Trojan.Generic [PCTools]
Trojan Horse [Symantec]
Packed.Win32.Krap.af [Kaspersky Lab]
W32/Rimecud [McAfee]
WORM_PALEVO.SMI [Trend Micro]
Mal/Rimecud-A, Mal/Zbot-I [Sophos]
Trojan:Win32/Sisproc [Microsoft]
Trojan.Generic.CJ [Ikarus]
Win-Trojan/Obfuscator.88576.B [AhnLab]
19 %System%\6to4v32.dll 61,440 bytes MD5: 0x065718D0DF31EDF5D5D2B795357A3092
SHA-1: 0x0CF0325C194A4179AC241DD98B15AD4D20140CB1
Backdoor.Win32.Agent.andh [Kaspersky Lab]
Troj/Wimpix-Gen [Sophos]
20 %System%\BtwSrv.dll 46,080 bytes MD5: 0xDD878E8834D4EBFC8625C7B527A8FA8A
SHA-1: 0xBC356D17AB62F43D4934DE51EFBF66BEFAC7A94D
Packed.Win32.Koblu.d [Kaspersky Lab]
Trojan:Win32/Refpron.F [Microsoft]
21 %System%\damdrv.sys 2,304 bytes MD5: 0x30305D10BB5D0B6587515ADB2B462866
SHA-1: 0x5E1FDF26B6FA9C5A5FAB5367610F6CB5C4646E1F
(not available)
22 %System%\FastNetSrv.exe 74,240 bytes MD5: 0x54B88ADE23A6866F65FC8B7757D0A1DC
SHA-1: 0x537FA0A043AC7598056006F6410CE3CF3339BAFF
Malware.Virut [PCTools]
W32.Virut.CF [Symantec]
Virus.Win32.Virut.ce [Kaspersky Lab]
W32/Virut.n.gen [McAfee]
W32/Scribble-B [Sophos]
Virus:Win32/Virut.BM [Microsoft]
Win32/Virut.F [AhnLab]
23 %System%\lsm32.sys 36,864 bytes MD5: 0xFC51DFCA07368E92930FBE7D4B24C932
SHA-1: 0x63744ADFBE3F718BABF5C187EC14ABA37EF64438
Trojan.Win32.Clicker.cr [Kaspersky Lab]
Generic AdClicker.p [McAfee]
Mal/Bimay-A [Sophos]
24 [file and pathname of the sample #1] 184,320 bytes MD5: 0x4B480D7AE584E9473467EEC83ACD1AB3
SHA-1: 0x04A7F04C289B9ACFFE5FDC5B6DC50DB3B1AC90A8
Malware.Virut [PCTools]
W32.Virut.CF [Symantec]
Virus.Win32.Virut.ce [Kaspersky Lab]
W32/Virut.n.gen [McAfee]
W32/Scribble-B [Sophos]
Virus:Win32/Virut.BM [Microsoft]
Win32/Virut.F [AhnLab]
25 %System%\win.dll 77,355 bytes MD5: 0x377C0BE2A5DC6981F9305B55F13A5F00
SHA-1: 0xEAB1DB89137302799EAA9941E4A64844282CED0F
(not available)
26 %System%\winnt.exe 42,392 bytes MD5: 0x638DF3B1CAA0CE21A312C8E930F61B06
SHA-1: 0x406E08006029655791EF1205C7CD697FDAAD229C
Trojan.Win32.Sasfis.vvs [Kaspersky Lab]
Trojan.Win32.Sasfis [Ikarus]
27 %System%\winnts.dll 6,144 bytes MD5: 0x534EC11E1F0E3797FBD390F64EEAB4DF
SHA-1: 0x3B03FF58904C32BCA54C0C5F8032172C675A9F18
(not available)
28 %Windir%\Temp\nsrbgxod.bak 0 bytes MD5: 0xD41D8CD98F00B204E9800998ECF8427E
SHA-1: 0xDA39A3EE5E6B4B0D3255BFEF95601890AFD80709
(not available)

 

Memory Modifications

Process NameProcess FilenameMain Module Size
[filename of the sample #1][file and pathname of the sample #1]184,320 bytes
svchost.exe%Windir%\svchost.exe577,536 bytes
2456094.exe%Temp%\2456094.exe110,592 bytes

Process NameProcess FilenameAllocated Size
svchost.exe%System%\svchost.exe192,512 bytes
wmiprvse.exe%System%\wbem\wmiprvse.exe40,960 bytes

Module NameModule FilenameAddress Space Details
6to4v32.dll%System%\6to4v32.dllProcess name: svchost.exe
Process filename: %System%\svchost.exe
Address space: 0x10000000 - 0x1000F000
rundll32.dll%Windir%\TEMP\rundll32.dllProcess name: [generic host process]
Process filename: [generic host process filename]
Address space: 0x10000000 - 0x10000001
win.dll%System%\win.dllProcess name: svchost.exe
Process filename: %System%\svchost.exe
Address space: 0x960000 - 0x980000
3cd05.dll%System%\3cd05.dllProcess name: svchost.exe
Process filename: %System%\svchost.exe
Address space: 0x960000 - 0xAC7200
rundll32.dll%Windir%\TEMP\rundll32.dllProcess name: wmiprvse.exe
Process filename: %System%\wbem\wmiprvse.exe
Address space: 0x700000 - 0x700001

Service NameDisplay NameStatusService Filename
NetLoginNet Login"Running"%Windir%\svchost.exe
winwindo"Running"%System%\svchost.exe -k netsvcs
6to46to4"Running"%System%\svchost.exe -k netsvcs
.Net CLRMicrosoft .Net Framework COM+ Support"Running"%System%\svchost.exe -k ".Net CLR"

 

Registry Modifications

 

Other details

China
Russian Federation

Remote HostPort Number
174.123.160.14680
193.104.94.1180
212.117.177.14080
91.206.201.3980
202.97.184.19681

 

Outbound traffic (potentially malicious)

 

 

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