HEUR:Trojan.Win32.Generic (Kaspersky), Trojan.Win32.Ardamax.nbq (v) (VIPRE), Win32.SuspectCrc!IK (Emsisoft), SpyTool.Win32.Ardamax.FD, GenericEmailWorm.YR (Lavasoft MAS)Behaviour: Trojan, Worm, EmailWorm, SpyTool
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: 8e077b98e2f4f6a467b7ef96455d1b9f
SHA1: 264ebf334a21541d4fa1f2b44746e68870c71e9f
SHA256: f67b1d0826564d8ccfd591568998dc8cd14b67e1d1c68179ade638eda3149306
SSDeep: 49152:aB4cGFzd26Efdf50R2X5eNFAdV4ODY6g geXFF0:adGFzqfdfmR2X5kaeGGeXc
Size: 2081280 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2013-10-10 15:18:52
Summary: SpyTool. A program used to apply passive protection methods to spyware, such as obfuscation, encryption or polymorphism. The original malicious program is usually encrypted/compressed and stored inside the wrapper.
Dynamic Analysis
Payload
| Behaviour | Description |
|---|---|
| EmailWorm | Worm can send e-mails. |
Process activity
The SpyTool creates the following process(es):
%original file name%.exe:1300
The SpyTool injects its code into the following process(es):
EKL.exe:920
File activity
The process %original file name%.exe:1300 makes changes in the file system.
The SpyTool creates and/or writes to the following file(s):
%Documents and Settings%\All Users\Application Data\GYXIRA\EKL.exe (15021 bytes)
%Documents and Settings%\All Users\Application Data\GYXIRA\EKL.00 (2 bytes)
%Documents and Settings%\All Users\Application Data\GYXIRA\EKL.01 (81 bytes)
%Documents and Settings%\All Users\Application Data\GYXIRA\EKL.02 (56 bytes)
Registry activity
The process %original file name%.exe:1300 makes changes in the system registry.
The SpyTool creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "2C 29 A9 34 F2 EB E9 22 F5 C8 3D D7 1C 0B CD 00"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Documents" = "%Documents and Settings%\All Users\Documents"
[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"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\%Documents and Settings%\All Users\Application Data\GYXIRA]
"EKL.exe" = "EKL"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Desktop" = "%Documents and Settings%\All Users\Desktop"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = "%Documents and Settings%\%current user%\My Documents"
The SpyTool modifies IE settings for security zones to map all urls to the Intranet Zone:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName" = "1"
The SpyTool modifies IE settings for security zones to map all local web-nodes with no dots which do not refer to any zone to the Intranet Zone:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"UNCAsIntranet" = "1"
The SpyTool modifies IE settings for security zones to map all web-nodes that bypassing proxy to the Intranet Zone:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"ProxyBypass" = "1"
The process EKL.exe:920 makes changes in the system registry.
The SpyTool creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "0A B7 C5 74 B2 E7 B2 BD 45 B0 BE 35 59 B1 63 66"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Programs" = "%Documents and Settings%\All Users\Start Menu\Programs"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = "%Documents and Settings%\%current user%\My Documents"
To automatically run itself each time Windows is booted, the SpyTool adds the following link to its file to the system registry autorun key:
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"EKL Start" = "%Documents and Settings%\All Users\Application Data\GYXIRA\EKL.exe"
Network activity (URLs)
No activity has been detected.
HOSTS file anomalies
No changes have been detected.
Rootkit activity
No anomalies have been detected.
Propagation
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):
%original file name%.exe:1300
- Delete the original SpyTool file.
- Delete or disinfect the following files created/modified by the SpyTool:
%Documents and Settings%\All Users\Application Data\GYXIRA\EKL.exe (15021 bytes)
%Documents and Settings%\All Users\Application Data\GYXIRA\EKL.00 (2 bytes)
%Documents and Settings%\All Users\Application Data\GYXIRA\EKL.01 (81 bytes)
%Documents and Settings%\All Users\Application Data\GYXIRA\EKL.02 (56 bytes) - Delete the following value(s) in the autorun key (How to Work with System Registry):
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"EKL Start" = "%Documents and Settings%\All Users\Application Data\GYXIRA\EKL.exe" - Reboot the computer.