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Virus.Win32.Sality_9f1e97aede


Trojan.Win32.Agent.aec (Kaspersky), Virus.Win32.Sality.ah (v) (VIPRE), Trojan.Win32.Agent!IK (Emsisoft), 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: 9f1e97aede3f27952f4f77702f009ee5

SHA1: fbdf580b591ecf98f118df5ce96647c74058ceb3

SHA256: bdfbd99ce3e2629ef4f68665a0bd942c7544518b190c7e7bf41335692393513e

SSDeep: 1536:XFtrYEQItFvTAMmY0SMZp8yGN/ulhBIbUAAoNLceDtgNCu94:zrYwtDmAqbGuxAAoNoGtsCu9

Size: 401920 bytes

File type: EXE

Platform: WIN32

Entropy: Not Packed

PEID: UPolyXv05_v6

Company: no certificate found

Created at: 2006-12-13 15:15:04

Analyzed on: WindowsXP SP3 32-bit

Summary: Virus. A program that recursively replicates a possibly evolved copy of itself.

Dynamic Analysis

Payload

Behaviour Description
WormAutorunA 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):

%original file name%.exe:2036
winmine.exe:1040
NOTEPAD.EXE:892
NOTEPAD.EXE:1516
NOTEPAD.EXE:2408
netsh.exe:1928
WINMINE.EXE:2184

The Virus injects its code into the following process(es):

soundmix.exe:1960

File activity

The process %original file name%.exe:2036 makes changes in the file system.


The Virus creates and/or writes to the following file(s):

%System%\soundmix.exe (2321 bytes)

The process soundmix.exe:1960 makes changes in the file system.


The Virus creates and/or writes to the following file(s):

%WinDir%\system.ini (72 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\Reader_sl.exe (840 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\winqbsg.exe (601 bytes)
%System%\dllcache\zipexr.dll (4577 bytes)
%Program Files%\Common Files\Java\Java Update\jusched.exe (952 bytes)
%System%\drivers\etc\hosts.tmp (1592 bytes)

The Virus deletes the following file(s):

C:\72076 (0 bytes)
%System%\drivers\etc\hosts (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\winqbsg.exe (0 bytes)

Registry activity

The process %original file name%.exe:2036 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"
"AntiVirusOverride" = "1"

[HKLM\SOFTWARE\Microsoft\Security Center\Svc]
"UpdatesDisableNotify" = "1"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced]
"Hidden" = "2"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\system]
"DisableRegistryTools" = "1"

[HKLM\SOFTWARE\Microsoft\Security Center\Svc]
"FirewallOverride" = "1"

[HKLM\SOFTWARE\Microsoft\Security Center]
"UpdatesDisableNotify" = "1"
"FirewallOverride" = "1"
"FirewallDisableNotify" = "1"

[HKLM\SOFTWARE\Microsoft\Security Center\Svc]
"AntiVirusOverride" = "1"
"UacDisableNotify" = "1"
"FirewallDisableNotify" = "1"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\system]
"DisableTaskMgr" = "1"

Antivirus notifications are disabled:

[HKLM\SOFTWARE\Microsoft\Security Center]
"AntiVirusDisableNotify" = "1"

[HKLM\SOFTWARE\Microsoft\Security Center\Svc]
"AntiVirusDisableNotify" = "1"

The process soundmix.exe:1960 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\adm914]
"a4_0" = "0"
"a1_0" = "3432392762"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system]
"EnableLUA" = "0"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"GlobalUserOffline" = "0"

[HKLM\SOFTWARE\Microsoft\Security Center]
"AntiVirusOverride" = "1"

[HKLM\SOFTWARE\Microsoft\Security Center\Svc]
"UpdatesDisableNotify" = "1"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\system]
"DisableRegistryTools" = "1"

[HKCU\Software\adm914\695404737]
"43014726" = "0600687474703A2F2F72656D61646F6E2E64652F6C6F676F732E67696600687474703A2F2F636F6E6E656374696E6764657374696E6174696F6E732E636F6D2F696D616765732F6C6F676F732E67696600687474703A2F2F6D616365646F6E69612E6D79312E72752F6D61696E682E67696600687474703A2F2F656C617377616E792E636F6D2F6C6F676F732E67696600687474703A2F2F65646D61747269782E75732F696D616765732F6D61696E662E67696600687474703A2F2F616472656E616C696E2E636F6D2E74722F696D616765732F6C6F676F732E676966"

[HKCR\exefile\shell\open\command]
"(Default)" = "soundmix %1 %*"

[HKCU\Software\adm914\695404737]
"14338242" = "0"

[HKLM\SOFTWARE\Microsoft\Security Center]
"FirewallOverride" = "1"

[HKCU\Software\adm914\695404737]
"7169121" = "55"

[HKLM\SOFTWARE\Microsoft\Security Center\Svc]
"FirewallDisableNotify" = "1"

[HKCU\Software\adm914\695404737]
"35845605" = "222"

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "8A A5 C7 40 F2 4D 34 7C A7 C9 BD F3 8B 0E 6B 0D"

[HKLM\SOFTWARE\Microsoft\Security Center\Svc]
"UacDisableNotify" = "1"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced]
"Hidden" = "2"

[HKLM\SOFTWARE\Microsoft\Security Center\Svc]
"FirewallOverride" = "1"

[HKCU\Software\adm914\695404737]
"28676484" = "35"

[HKCU\Software\adm914]
"a3_0" = "17001001"

[HKLM\SOFTWARE\Microsoft\Security Center]
"FirewallDisableNotify" = "1"

[HKCU\Software\adm914\695404737]
"50183847" = "7C67AF69FA1918A6CCB3A9D14C81D0B4E9330D0A41EEDA93432049E79EDFEE6AF904E6A1FF6AB716DCFA6EE6DBD3E4904B880341202D0399543E2C1830BFA4FC9B1B3A65BF98DF47A2E0D4E7C25542872DD801CE2CC737BCFFE9B2FC4AF20945AF09EF6CB77B3A2364548FFDB10E3993BBBD65D22686D6369049EA7E011E6B7F"

[HKCU\Software\adm914]
"a2_0" = "5517"

[HKCU\Software\adm914\695404737]
"21507363" = "0"

[HKLM\SOFTWARE\Microsoft\Security Center]
"UpdatesDisableNotify" = "1"

[HKLM\SOFTWARE\Microsoft\Security Center\Svc]
"AntiVirusOverride" = "1"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\SHOWALL]
"CheckedValue" = "0"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\system]
"DisableTaskMgr" = "1"

Adds a rule to the firewall Windows which allows any network activity:

[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\%System%]
"soundmix.exe" = "%System%\soundmix.exe:*:Enabled:ipsec"

Antivirus notifications are disabled:

[HKLM\SOFTWARE\Microsoft\Security Center]
"AntiVirusDisableNotify" = "1"

To automatically run itself each time Windows is booted, the Virus adds the following link to its file to the system registry autorun key:

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"soundmix" = "%System%\soundmix.exe"

Antivirus notifications are disabled:

[HKLM\SOFTWARE\Microsoft\Security Center\Svc]
"AntiVirusDisableNotify" = "1"

The process winmine.exe:1040 makes changes in the system registry.


The Virus creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "A6 10 A7 BD C1 AF D9 4F 9A 20 08 1E 3A 62 B4 30"

The process NOTEPAD.EXE:892 makes changes in the system registry.


The Virus creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "76 8E 4C 9B D9 0D DA 94 59 68 AF C3 48 8D 91 FD"

The process NOTEPAD.EXE:1516 makes changes in the system registry.


The Virus creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "2A BA FA 32 A1 D7 62 8A 5A B2 79 48 B5 06 29 56"

The process NOTEPAD.EXE:2408 makes changes in the system registry.


The Virus creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "15 57 7C C8 E7 E0 1F 64 DC A8 E2 EA C8 BE AB B5"

The process netsh.exe:1928 makes changes in the system registry.


The Virus creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappprxy\traceIdentifier]
"Guid" = "5f31090b-d990-4e91-b16d-46121d0255aa"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\qagent]
"Active" = "1"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\QUtil\traceIdentifier]
"Guid" = "8aefce96-4618-42ff-a057-3536aa78233e"

[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile]
"DoNotAllowExceptions" = "0"

[HKLM\SOFTWARE\Microsoft\Tracing\FWCFG]
"MaxFileSize" = "1048576"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\NAP\Netsh]
"ControlFlags" = "1"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\qagent]
"ControlFlags" = "1"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\NAP\Netsh]
"Active" = "1"

[HKLM\SOFTWARE\Microsoft\Tracing\FWCFG]
"ConsoleTracingMask" = "4294901760"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\NAP\Netsh\Napmontr]
"BitNames" = " NAP_TRACE_BASE NAP_TRACE_NETSH"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappprxy]
"Active" = "1"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappcfg\traceIdentifier]
"BitNames" = " Error Unusual Info Debug"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappcfg]
"Active" = "1"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappprxy\traceIdentifier]
"BitNames" = " Error Unusual Info Debug"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappcfg]
"ControlFlags" = "1"

[HKLM\SOFTWARE\Microsoft\Tracing\FWCFG]
"EnableFileTracing" = "0"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappcfg]
"LogSessionName" = "stdout"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\NAP\Netsh\Napmontr]
"Guid" = "710adbf0-ce88-40b4-a50d-231ada6593f0"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\QUtil]
"Active" = "1"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappprxy]
"LogSessionName" = "stdout"
"ControlFlags" = "1"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\qagent\traceIdentifier]
"Guid" = "b0278a28-76f1-4e15-b1df-14b209a12613"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappcfg\traceIdentifier]
"Guid" = "5f31090b-d990-4e91-b16d-46121d0255aa"

[HKLM\SOFTWARE\Microsoft\Tracing\FWCFG]
"EnableConsoleTracing" = "0"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\QUtil\traceIdentifier]
"BitNames" = " Error Unusual Info Debug"

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "3A A5 FC 1C 5E 7B 65 DD 10 02 6B AA DF 7F D4 66"

[HKLM\SOFTWARE\Microsoft\Tracing\FWCFG]
"FileDirectory" = "%windir%\tracing"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\QUtil]
"LogSessionName" = "stdout"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\qagent]
"LogSessionName" = "stdout"

[HKLM\SOFTWARE\Microsoft\Tracing\FWCFG]
"FileTracingMask" = "4294901760"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\NAP\Netsh]
"LogSessionName" = "stdout"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\qagent\traceIdentifier]
"BitNames" = " Error Unusual Info Debug"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\QUtil]
"ControlFlags" = "1"

A firewall is disabled:

[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile]
"EnableFirewall" = "0"

The process WINMINE.EXE:2184 makes changes in the system registry.


The Virus creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "F5 17 2E B7 BF 79 BD 53 9F 96 93 E4 54 88 67 D1"

Network activity (URLs)

No activity has been detected.

HOSTS file anomalies

The Virus modifies "%System%\drivers\etc\hosts" file which is used to translate DNS entries to IP addresses. The modified file is 858 bytes in size. The following strings are added to the hosts file listed below:

61.129.115.198www.xldd.com
61.129.115.198www.ojiang.com
61.129.115.198www.shuixian.net
61.129.115.198www.xlarea.com


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

  1. Click (here) to download and install Ad-Aware Free Antivirus.
  2. Update the definition files.
  3. Run a full scan of your computer.

Manual removal*

  1. Terminate malicious process(es) (How to End a Process With the Task Manager):

    %original file name%.exe:2036
    winmine.exe:1040
    NOTEPAD.EXE:892
    NOTEPAD.EXE:1516
    NOTEPAD.EXE:2408
    netsh.exe:1928
    WINMINE.EXE:2184

  2. Delete the original Virus file.
  3. Delete or disinfect the following files created/modified by the Virus:

    %System%\soundmix.exe (2321 bytes)
    %WinDir%\system.ini (72 bytes)
    %Program Files%\Adobe\Reader 9.0\Reader\Reader_sl.exe (840 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\winqbsg.exe (601 bytes)
    %System%\dllcache\zipexr.dll (4577 bytes)
    %Program Files%\Common Files\Java\Java Update\jusched.exe (952 bytes)
    %System%\drivers\etc\hosts.tmp (1592 bytes)

  4. Delete the following value(s) in the autorun key (How to Work with System Registry):

    [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
    "soundmix" = "%System%\soundmix.exe"

  5. Restore the original content of the HOSTS file (%System%\drivers\etc\hosts): 127.0.0.1 localhost
  6. Find and delete all copies of the worm's file together with "autorun.inf" scripts on removable drives.
  7. Reboot the computer.
*Manual removal may cause unexpected system behaviour and should be performed at your own risk.

Static Analysis

Network Activity

Map

Strings from Dumps