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: 94881345994fb9dbd6494157bc41384b
SHA1: 0b5854a38cc9d8cc5b30fda8ad483c46b4dd415c
SHA256: cf86e760846afd576de98acbc71b3d2dae764c59a38114f87a28588c8116b9b9
SSDeep: 1536:sXVGCZZMpDLp40sXZUEc3KxQDpIv0jBYvniqwHPUBVX6Cmj:mAdsXuExxeUhiqfBVX6L
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:1764
Explorer.EXE:884
Mutexes
The following mutexes were created/opened:No objects were found.
File activity
The process %original file name%.exe:1764 makes changes in the file system.
The Virus creates and/or writes to the following file(s):
%WinDir%\system.ini (72 bytes)
%Program Files%\Common Files\Adobe\ARM\1.0\AdobeARM.exe (4 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\winvclxq.exe (561 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\Reader_sl.exe (1336 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\winbxuwj.exe (561 bytes)
C:\autorun.inf (320 bytes)
%Program Files%\Common Files\Java\Java Update\jusched.exe (176 bytes)
C:\vthf.exe (99 bytes)
C:\totalcmd\TOTALCMD.EXE (858 bytes)
The Virus deletes the following file(s):
%WinDir%\12a948 (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\winvclxq.exe (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\winbxuwj.exe (0 bytes)
Registry activity
The process %original file name%.exe:1764 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"
[HKCU\Software\Stvncyfrlda\168128873]
"-1648771660" = "30"
[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"
"m4_2" = "3470581466"
"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" = "10"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = "%Documents and Settings%\%current user%\My Documents"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKLM\SOFTWARE\Microsoft\Security Center]
"AntiVirusOverride" = "1"
[HKLM\SOFTWARE\Microsoft\Security Center\Svc]
"UpdatesDisableNotify" = "1"
[HKCU\Software\Stvncyfrlda]
"m4_1" = "1735290733"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Stvncyfrlda]
"m3_2" = "3487544563"
[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]
"FirewallDisableNotify" = "1"
"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"
"1821809806" = "0200687474703A2F2F7061647275702E636F6D2F736F62616B612E6173707800687474703A2F2F6B756B75312E696E666F696572"
[HKLM\SOFTWARE\Microsoft\Security Center]
"FirewallDisableNotify" = "1"
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "07 C4 71 0B 69 BE 9B 10 74 B8 CC A1 D4 D4 D0 11"
[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"
[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" = "53"
[HKLM\SOFTWARE\Microsoft\Security Center\Svc]
"AntiVirusOverride" = "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]
"AntiVirusDisableNotify" = "1"
Firewall notifications are disabled:
[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile]
"DisableNotifications" = "1"
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 |
---|---|
e33d4b7a68fd454794c56e665942ac00 | c:\vthf.exe |
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 (72 bytes)
%Program Files%\Common Files\Adobe\ARM\1.0\AdobeARM.exe (4 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\winvclxq.exe (561 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\Reader_sl.exe (1336 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\winbxuwj.exe (561 bytes)
C:\autorun.inf (320 bytes)
%Program Files%\Common Files\Java\Java Update\jusched.exe (176 bytes)
C:\vthf.exe (99 bytes)
C:\totalcmd\TOTALCMD.EXE (858 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 | 5.53651 | dad3b989af885269d858058b6af8e9b8 |
Dropped from:
Downloaded by:
Similar by SSDeep:
Similar by Lavasoft Polymorphic Checker:
Total found: 743
0fd1d5b37f2181ebedd1e9470041a4bd
0815861a0c3c467ddfbdc2d4495531a7
e63fc293a650d310e06f54c5b455cd51
0fc6b457f337f01ccce06a3e97f63973
37cac76c77cca91844f5da058e7457e5
41e0dec85ebe2c638468506dcaa40573
5c77015572a4e2e7563f8718d2411924
3bcf5fb37c19c89b1dc03e188fc9da8f
017a34c9b13968311c45cbc15008219b
84cbd587296c8a0a98ea0a32c8ef67c5
bfa3703f564fe409fab9ae790b4e2cc0
1449514417e7f823d062278a0ff23ada
756f17cae9cd8ca021de42cc5662da86
175db51703824ee7e48104db9ec1824d
b49ccb1192b981cf404e07f5f5e5318a
88a3fdd5144ba427529c437f8f373140
85f65d4e992c54ad20e0e0bb4749ba20
9d92f0977717e368d90e2f2d8e7cfd20
7f6649d18b0a0a7115e50869e7b61880
34216723a00a49e47d5f4fc7a84462e0
e7852703105201222878004d81755c50
8cf8511cbca3e0558890d654f24fff00
d22ce2a295a737e3b192730017516c20
214c1cd0bf2e37542c6f8d027e21e660
7c464fbc5b51c79ae586730bfcc2abc0
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_1764:
.text
.text
KERNEL32.dll
KERNEL32.dll
.NW$)
.NW$)
SHELL32.DLL
SHELL32.DLL
ShellExecuteA
ShellExecuteA
KERNEL32.DLL
KERNEL32.DLL
%original file name%.exe
%original file name%.exe
4881345994fb9dbd6494157bc41384b.exe
4881345994fb9dbd6494157bc41384b.exe
hXXp://padrup.com/sobaka.aspx
hXXp://padrup.com/sobaka.aspx
hXXp://kuku1.infoier
hXXp://kuku1.infoier
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_1764_rwx_00401000_00011000:
KERNEL32.dll
KERNEL32.dll
.NW$)
.NW$)
SHELL32.DLL
SHELL32.DLL
ShellExecuteA
ShellExecuteA
KERNEL32.DLL
KERNEL32.DLL
%original file name%.exe
%original file name%.exe
.text
.text
4881345994fb9dbd6494157bc41384b.exe
4881345994fb9dbd6494157bc41384b.exe
hXXp://padrup.com/sobaka.aspx
hXXp://padrup.com/sobaka.aspx
hXXp://kuku1.infoier
hXXp://kuku1.infoier
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_1764_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/sobaka.aspx
hXXp://padrup.com/sobaka.aspx
hXXp://kuku1.infoier
hXXp://kuku1.infoier
%System%\drivers\giiion.sys
%System%\drivers\giiion.sys
12231405742
12231405742
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
Explorer.EXE_884_rwx_014D0000_00002000:
SHELL32.DLL
SHELL32.DLL
ShellExecuteA
ShellExecuteA
KERNEL32.DLL
KERNEL32.DLL
.text
.text
%original file name%.exe_1764_rwx_02540000_00002000:
SHELL32.DLL
SHELL32.DLL
ShellExecuteA
ShellExecuteA
KERNEL32.DLL
KERNEL32.DLL
.text
.text
%original file name%.exe_1764_rwx_02650000_00001000:
|%original file name%.exeM_1764_
|%original file name%.exeM_1764_
Explorer.EXE_884_rwx_01CA0000_00001000:
|explorer.exeM_884_
|explorer.exeM_884_