Trojan.Win32.Small.cox (Kaspersky), Virus.Win32.Sality.FD, Virus.Win32.Sality.2.FD, VirusSality.YR, GenericAutorunWorm.YR, GenericInjector.YR (Lavasoft MAS)Behaviour: Trojan, Worm, Virus, WormAutorun
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: 101d7d0f3380a7f2cf72a80dae12d385
SHA1: 4dd22522c14a44db1759c61387fe74740060cabf
SHA256: 78af1da6a3ea981e73deb090697a72b7fcad0feb924da7c1d2e5e101d79a5c64
SSDeep: 3072:QA1l4jBZoWlvw/aiHQ1oQChvO KSPne sMeYl:/cZjv2Go3hmDS2cl
Size: 99328 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2010-11-05 02:25:00
Analyzed on: WindowsXP SP3 32-bit
Summary: Virus. A program that recursively replicates a possibly evolved copy of itself.
Dynamic Analysis
Payload
Behaviour | Description |
---|---|
WormAutorun | A worm can spread via removable drives. It writes its executable and creates "autorun.inf" scripts on all removable drives. The autorun script will execute the Virus's file once a user opens a drive's folder in Windows Explorer. |
Process activity
The Virus creates the following process(es):No processes have been created.The Virus injects its code into the following process(es):
%original file name%.exe:668
Explorer.EXE:888
Mutexes
The following mutexes were created/opened:No objects were found.
File activity
The process %original file name%.exe:668 makes changes in the file system.
The Virus creates and/or writes to the following file(s):
%WinDir%\system.ini (70 bytes)
%Program Files%\Common Files\Adobe\ARM\1.0\AdobeARM.exe (4 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\cxuhio.exe (561 bytes)
C:\autorun.inf (288 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\endhd.exe (561 bytes)
C:\totalcmd\TOTALCMD.EXE (862 bytes)
C:\nxxpa.pif (99 bytes)
The Virus deletes the following file(s):
%Documents and Settings%\%current user%\Local Settings\Temp\endhd.exe (0 bytes)
%WinDir%\43360 (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\cxuhio.exe (0 bytes)
Registry activity
The process %original file name%.exe:668 makes changes in the system registry.
The Virus creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Security Center]
"UacDisableNotify" = "1"
[HKCU\Software\Stvncyfrlda]
"m4_0" = "0"
"m3_1" = "1718420804"
"m3_0" = "17001001"
"m4_4" = "2646195636"
"m4_5" = "86519073"
"m3_5" = "69945096"
[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile]
"DoNotAllowExceptions" = "0"
[HKCU\Software\Stvncyfrlda]
"m2_2" = "3470576471"
"m2_3" = "910908362"
"m2_0" = "5517"
"m2_1" = "1735293664"
"m2_6" = "1821804803"
"m4_2" = "3470581466"
"m2_4" = "2646190137"
"m2_5" = "86522028"
"m3_3" = "927474798"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system]
"EnableLUA" = "0"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"GlobalUserOffline" = "0"
[HKCU\Software\Stvncyfrlda\168128873]
"1735290733" = "14"
[HKCU\Software\Stvncyfrlda]
"m3_7" = "3573965266"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = "%Documents and Settings%\%current user%\My Documents"
[HKCU\Software\Stvncyfrlda]
"m3_6" = "1838544551"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Stvncyfrlda]
"m1_5" = "990974441"
[HKLM\SOFTWARE\Microsoft\Security Center]
"AntiVirusOverride" = "1"
[HKLM\SOFTWARE\Microsoft\Security Center\Svc]
"UpdatesDisableNotify" = "1"
[HKCU\Software\Stvncyfrlda]
"m4_6" = "1821809806"
"m4_1" = "1735290733"
"m3_4" = "2629490589"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Stvncyfrlda]
"m3_2" = "3487544563"
"m1_4" = "2043211597"
"m1_7" = "2820037032"
"m1_6" = "942015960"
[HKLM\SOFTWARE\Microsoft\Security Center]
"FirewallOverride" = "1"
[HKCU\Software\Stvncyfrlda]
"m1_0" = "1431655765"
"m1_3" = "553799287"
"m1_2" = "2322242303"
"m1_1" = "692605188"
[HKLM\SOFTWARE\Microsoft\Security Center\Svc]
"UacDisableNotify" = "1"
[HKCU\Software\Stvncyfrlda\168128873]
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
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Documents" = "%Documents and Settings%\All Users\Documents"
[HKCU\Software\Stvncyfrlda\168128873]
"-824385830" = "0"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced]
"Hidden" = "2"
[HKLM\SOFTWARE\Microsoft\Security Center\Svc]
"FirewallOverride" = "1"
[HKCU\Software\Stvncyfrlda\168128873]
"910904903" = "0"
[HKCU\Software\Stvncyfrlda]
"m2_7" = "3557105270"
[HKLM\SOFTWARE\Microsoft\Security Center]
"FirewallDisableNotify" = "1"
[HKCU\Software\Stvncyfrlda\168128873]
"-1648771660" = "30"
"1821809806" = "0200687474703A2F2F7061647275702E636F6D2F736F62616B61312E67696600687474703A2F2F3139302E3132302E3232372E39313A383038302F736F62616B61766F6C6F732E676966"
[HKCU\Software\Stvncyfrlda]
"m4_7" = "3557100539"
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "FF BE BA 0B EC EB 0A 7A BF AD BD E7 68 8A 76 F4"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Desktop" = "%Documents and Settings%\All Users\Desktop"
[HKCU\Software\Stvncyfrlda]
"m4_3" = "910904903"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Desktop" = "%Documents and Settings%\%current user%\Desktop"
[HKLM\SOFTWARE\Microsoft\Security Center\Svc]
"FirewallDisableNotify" = "1"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"
[HKLM\SOFTWARE\Microsoft\Security Center]
"UpdatesDisableNotify" = "1"
[HKCU\Software\Stvncyfrlda\168128873]
"86519073" = "75"
[HKLM\SOFTWARE\Microsoft\Security Center\Svc]
"AntiVirusOverride" = "1"
Firewall notifications are disabled:
[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile]
"DisableNotifications" = "1"
Antivirus notifications are disabled:
[HKLM\SOFTWARE\Microsoft\Security Center]
"AntiVirusDisableNotify" = "1"
Adds a rule to the firewall Windows which allows any network activity:
[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\c:]
"%original file name%.exe" = "c:\%original file name%.exe:*:Enabled:ipsec"
Antivirus notifications are disabled:
[HKLM\SOFTWARE\Microsoft\Security Center\Svc]
"AntiVirusDisableNotify" = "1"
A firewall is disabled:
[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile]
"EnableFirewall" = "0"
Dropped PE files
MD5 | File path |
---|---|
d8c61c83bad2d3029d03e68fba62938e | c:\nxxpa.pif |
HOSTS file anomalies
No changes have been detected.
Rootkit activity
No anomalies have been detected.
Propagation
A worm can spread via removable drives. It writes its executable and creates "autorun.inf" scripts on all removable drives. The autorun script will execute the Virus's file once a user opens a drive's folder in Windows Explorer.
Removals
Remove it with Ad-Aware
- Click (here) to download and install Ad-Aware Free Antivirus.
- Update the definition files.
- Run a full scan of your computer.
Manual removal*
- Terminate malicious process(es) (How to End a Process With the Task Manager):No processes have been created.
- Delete the original Virus file.
- Delete or disinfect the following files created/modified by the Virus:
%WinDir%\system.ini (70 bytes)
%Program Files%\Common Files\Adobe\ARM\1.0\AdobeARM.exe (4 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\cxuhio.exe (561 bytes)
C:\autorun.inf (288 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\endhd.exe (561 bytes)
C:\totalcmd\TOTALCMD.EXE (862 bytes)
C:\nxxpa.pif (99 bytes) - Find and delete all copies of the worm's file together with "autorun.inf" scripts on removable drives.
- Reboot the computer.
Static Analysis
VersionInfo
No information is available.
No information is available.
PE Sections
Name | Virtual Address | Virtual Size | Raw Size | Entropy | Section MD5 |
---|---|---|---|---|---|
.text | 4096 | 69632 | 66048 | 5.53439 | ce9442db82f4cbce8436a65e61f963ea |
Dropped from:
Downloaded by:
Similar by SSDeep:
Similar by Lavasoft Polymorphic Checker:
Total found: 241
6c682d9e9d637ded9652171d5e9c34ed
028f25658cada10afc3b622d4d51a3a6
97f42b6abff9994515b4f4fb4542e49a
00af02525daf45296fdb2f85bbcfbfcd
3921bd578d3bc50fa1a673506e03e07a
3812eb8deeb5949802cc2619bb300f0c
9241fb19826439381f1923832cd396ea
821efbb5fbe57ff7e78199a18c7e6f64
e4a92d0d1a9b25ec512b3366ff46695d
4c452fb9c1902ee44b06044408cbe63b
cf7fa0c80fb1ddb24a8edf7c28c1ed70
23375e9f8d8b5202caa48dc3674c7cf7
8e16b5a571c6586c6639b91fcafcafe8
83fe0e48d885912f5cf01d48cece2694
d38356b99cb6cce82bdd18f2e9c74e7e
28334f6a39e4b966835dd392eaa3f7f7
a86325286ac938e4d9e8850d51524cf0
3760120dcf70b57f754cdda8bbb55239
a2c1f15164eb44b299c4de21e7c6f7e0
b70bba3cf37d8c1d77256b2323311d70
941b7ec1b983cd64b5b68975b96811d0
602f4a5f424cd44a61291521b8304550
91fe43c24035b073a9fba8a149bbcd00
d071519ec2d9311e87aab7769aaa5f10
5a0ebb62c185b2bbfd30aaac31006d10
Network Activity
URLs
IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)
Traffic
Map
The Virus connects to the servers at the folowing location(s):
Strings from Dumps
%original file name%.exe_668:
.text
.text
KERNEL32.dll
KERNEL32.dll
SHELL32.DLL
SHELL32.DLL
ShellExecuteA
ShellExecuteA
KERNEL32.DLL
KERNEL32.DLL
%original file name%.exe
%original file name%.exe
01d7d0f3380a7f2cf72a80dae12d385.exe
01d7d0f3380a7f2cf72a80dae12d385.exe
hXXp://padrup.com/sobaka1.gif
hXXp://padrup.com/sobaka1.gif
hXXp://190.120.227.91:8080/sobakavolos.gif
hXXp://190.120.227.91:8080/sobakavolos.gif
hXXp://89.11
hXXp://89.11
.info/home.gifIh
.info/home.gifIh
bW.text
bW.text
JKERNEL32.dll
JKERNEL32.dll
%x.exe
%x.exe
h.rdla&
h.rdla&
mH.MN8
mH.MN8
T4.At%
T4.At%
S.twa
S.twa
.klkjw:9fqwiBumW
.klkjw:9fqwiBumW
.sysa
.sysa
Zc.pBTa
Zc.pBTa
~%s:*:yd:
~%s:*:yd:
.!.VF*
.!.VF*
.d&?%x=
.d&?%x=
GUrlA'
GUrlA'
"\'Web%w}
"\'Web%w}
HTTP)s'PS
HTTP)s'PS
2GUARDCMD
2GUARDCMD
o.ENHCDM
o.ENHCDM
wWEBWUPD
wWEBWUPD
MM.PF
MM.PF
%xn'[
%xn'[
>>?456789:;
>>?456789:;
!"#$%&'()* ,-./4
!"#$%&'()* ,-./4
qn%CXf
qn%CXf
UP*dB.PPd@.
UP*dB.PPd@.
%FoAN-x
%FoAN-x
ÄEW
ÄEW
%F" *" a
%F" *" a
ADVAPI32.dll
ADVAPI32.dll
MSVCRT.dll
MSVCRT.dll
SHELL32.dll
SHELL32.dll
USER32.dll
USER32.dll
WS2_32.dll
WS2_32.dll
RegCloseKey
RegCloseKey
SHFileOperationA
SHFileOperationA
%original file name%.exe_668_rwx_00401000_00011000:
KERNEL32.dll
KERNEL32.dll
SHELL32.DLL
SHELL32.DLL
ShellExecuteA
ShellExecuteA
KERNEL32.DLL
KERNEL32.DLL
%original file name%.exe
%original file name%.exe
.text
.text
01d7d0f3380a7f2cf72a80dae12d385.exe
01d7d0f3380a7f2cf72a80dae12d385.exe
hXXp://padrup.com/sobaka1.gif
hXXp://padrup.com/sobaka1.gif
hXXp://190.120.227.91:8080/sobakavolos.gif
hXXp://190.120.227.91:8080/sobakavolos.gif
hXXp://89.11
hXXp://89.11
.info/home.gifIh
.info/home.gifIh
bW.text
bW.text
JKERNEL32.dll
JKERNEL32.dll
%x.exe
%x.exe
h.rdla&
h.rdla&
mH.MN8
mH.MN8
T4.At%
T4.At%
S.twa
S.twa
.klkjw:9fqwiBumW
.klkjw:9fqwiBumW
.sysa
.sysa
Zc.pBTa
Zc.pBTa
~%s:*:yd:
~%s:*:yd:
.!.VF*
.!.VF*
.d&?%x=
.d&?%x=
GUrlA'
GUrlA'
"\'Web%w}
"\'Web%w}
HTTP)s'PS
HTTP)s'PS
2GUARDCMD
2GUARDCMD
o.ENHCDM
o.ENHCDM
wWEBWUPD
wWEBWUPD
MM.PF
MM.PF
%xn'[
%xn'[
>>?456789:;
>>?456789:;
!"#$%&'()* ,-./4
!"#$%&'()* ,-./4
qn%CXf
qn%CXf
UP*dB.PPd@.
UP*dB.PPd@.
%FoAN-x
%FoAN-x
ÄEW
ÄEW
%F" *" a
%F" *" a
ADVAPI32.dll
ADVAPI32.dll
MSVCRT.dll
MSVCRT.dll
SHELL32.dll
SHELL32.dll
USER32.dll
USER32.dll
WS2_32.dll
WS2_32.dll
RegCloseKey
RegCloseKey
SHFileOperationA
SHFileOperationA
%original file name%.exe_668_rwx_00520000_010BA000:
hXXp://89.11
hXXp://89.11
.info/home.gifIh
.info/home.gifIh
bW.text
bW.text
JKERNEL32.dll
JKERNEL32.dll
%x.exe
%x.exe
hXXp://89.119.67.154/testo5/
hXXp://89.119.67.154/testo5/
hXXp://kukutrustnet777.info/home.gif
hXXp://kukutrustnet777.info/home.gif
hXXp://kukutrustnet888.info/home.gif
hXXp://kukutrustnet888.info/home.gif
hXXp://kukutrustnet987.info/home.gif
hXXp://kukutrustnet987.info/home.gif
.text
.text
KERNEL32.dll
KERNEL32.dll
.reloc
.reloc
USER32.dll
USER32.dll
h.rdata
h.rdata
H.data
H.data
ntoskrnl.exe
ntoskrnl.exe
Mozilla/4.0 (compatible; MSIE 7.0b; Windows NT 6.0)
Mozilla/4.0 (compatible; MSIE 7.0b; Windows NT 6.0)
Software\Classes\Local Settings\Software\Microsoft\Windows\Shell\MuiCache
Software\Classes\Local Settings\Software\Microsoft\Windows\Shell\MuiCache
Software\Microsoft\Windows\CurrentVersion\Internet Settings
Software\Microsoft\Windows\CurrentVersion\Internet Settings
Software\Microsoft\Windows\CurrentVersion
Software\Microsoft\Windows\CurrentVersion
hXXp://VVV.klkjwre9fqwieluoi.info/
hXXp://VVV.klkjwre9fqwieluoi.info/
hXXp://kukutrustnet777888.info/
hXXp://kukutrustnet777888.info/
Software\Microsoft\Windows\CurrentVersion\policies\system
Software\Microsoft\Windows\CurrentVersion\policies\system
Software\Microsoft\Windows\ShellNoRoam\MUICache
Software\Microsoft\Windows\ShellNoRoam\MUICache
%s:*:Enabled:ipsec
%s:*:Enabled:ipsec
SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced
SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced
GdiPlus.dll
GdiPlus.dll
hXXp://
hXXp://
ipfltdrv.sys
ipfltdrv.sys
VVV.microsoft.com
VVV.microsoft.com
?%x=%d
?%x=%d
&%x=%d
&%x=%d
SYSTEM.INI
SYSTEM.INI
USER32.DLL
USER32.DLL
.%c%s
.%c%s
\\.\amsint32
\\.\amsint32
NTDLL.DLL
NTDLL.DLL
autorun.inf
autorun.inf
ADVAPI32.DLL
ADVAPI32.DLL
win%s.exe
win%s.exe
%s.exe
%s.exe
WININET.DLL
WININET.DLL
InternetOpenUrlA
InternetOpenUrlA
avast! Web Scanner
avast! Web Scanner
Avira AntiVir Premium WebGuard
Avira AntiVir Premium WebGuard
cmdGuard
cmdGuard
cmdAgent
cmdAgent
Eset HTTP Server
Eset HTTP Server
ProtoPort Firewall service
ProtoPort Firewall service
SpIDer FS Monitor for Windows NT
SpIDer FS Monitor for Windows NT
Symantec Password Validation
Symantec Password Validation
WebrootDesktopFirewallDataService
WebrootDesktopFirewallDataService
WebrootFirewall
WebrootFirewall
%d%d.tmp
%d%d.tmp
SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList
SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList
%s\%s
%s\%s
%s\Software\Microsoft\Windows\CurrentVersion\Ext\Stats
%s\Software\Microsoft\Windows\CurrentVersion\Ext\Stats
Software\Microsoft\Windows\CurrentVersion\Ext\Stats
Software\Microsoft\Windows\CurrentVersion\Ext\Stats
SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects
SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects
KERNEL32.DLL
KERNEL32.DLL
Explorer.exe
Explorer.exe
A2CMD.
A2CMD.
ASHWEBSV.
ASHWEBSV.
AVGCC.AVGCHSVX.
AVGCC.AVGCHSVX.
DRWEB
DRWEB
DWEBLLIO
DWEBLLIO
DWEBIO
DWEBIO
FSGUIEXE.
FSGUIEXE.
MCVSSHLD.
MCVSSHLD.
NPFMSG.
NPFMSG.
SYMSPORT.
SYMSPORT.
WEBSCANX.
WEBSCANX.
%c%d_%d
%c%d_%d
purity_control_%x
purity_control_%x
.adata
.adata
M_%d_
M_%d_
?456789:;
?456789:;
!"#$%&'()* ,-./0123
!"#$%&'()* ,-./0123
mong%WinDir%\
mong%WinDir%\
%WinDir%\hywjfubtsnl.log
%WinDir%\hywjfubtsnl.log
hXXp://padrup.com/sobaka1.gif
hXXp://padrup.com/sobaka1.gif
hXXp://190.120.227.91:8080/sobakavolos.gif
hXXp://190.120.227.91:8080/sobakavolos.gif
%System%\drivers\mlkki.sys
%System%\drivers\mlkki.sys
2753433450
2753433450
SHELL32.DLL
SHELL32.DLL
ShellExecuteA
ShellExecuteA
GetProcessHeap
GetProcessHeap
GetWindowsDirectoryA
GetWindowsDirectoryA
RegEnumKeyExA
RegEnumKeyExA
RegDeleteKeyA
RegDeleteKeyA
RegOpenKeyExA
RegOpenKeyExA
RegCreateKeyA
RegCreateKeyA
RegCloseKey
RegCloseKey
SHFileOperationA
SHFileOperationA
&3&3&3&389
&3&3&3&389
%F" *" a
%F" *" a
ADVAPI32.dll
ADVAPI32.dll
MSVCRT.dll
MSVCRT.dll
SHELL32.dll
SHELL32.dll
WS2_32.dll
WS2_32.dll
%original file name%.exe_668_rwx_023C0000_00002000:
SHELL32.DLL
SHELL32.DLL
ShellExecuteA
ShellExecuteA
KERNEL32.DLL
KERNEL32.DLL
.text
.text
%original file name%.exe_668_rwx_024D0000_00001000:
|%original file name%.exeM_668_
|%original file name%.exeM_668_
Explorer.EXE_888_rwx_00FF0000_00002000:
SHELL32.DLL
SHELL32.DLL
ShellExecuteA
ShellExecuteA
KERNEL32.DLL
KERNEL32.DLL
.text
.text
Explorer.EXE_888_rwx_01FA0000_00001000:
|explorer.exeM_888_
|explorer.exeM_888_