Trojan.Win32.Agent2.lwc (Kaspersky), Worm.Win32.Wergimog.a (v) (VIPRE), Worm.Win32.Wergimog!IK (Emsisoft), GenericIRCBot.YR, GenericAutorunWorm.YR, GenericPhysicalDrive0.YR, GenericInjector.YR (Lavasoft MAS)Behaviour: Trojan, Worm, WormAutorun, IRCBot
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: 047f5f3524f7f41b6b8c7df4fa05779f
SHA1: 4828c7abae40bd40686a9278a739f1eabe582e96
SHA256: 0d2af2e26105ca2c3f49d342fdb60149b5ffdcd6f08070f67b76298297355c76
SSDeep: 1536:ByHGU/PJFyI58nrMo4RgdUQbOA8KrIuDP1IR 0f8KisDXxVN14NTU24alsCc:ByHL/PXGnrSg6QbPlIuDPCR9DDXxVHSQ
Size: 94208 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: MicrosoftVisualC, MicrosoftVisualCv50v60MFC, MicrosoftVisualC50, UPolyXv05_v6, Armadillov171
Company: no certificate found
Created at: 1997-12-08 18:22:24
Summary: Trojan. A program that appears to do one thing but actually does another (a.k.a. Trojan Horse).
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 Trojan's file once a user opens a drive's folder in Windows Explorer. |
| IRCBot | A bot can communicate with command and control servers via IRC channel. |
Process activity
The Trojan creates the following process(es):
047f5f3524f7f41b6b8c7df4fa05779f.exe:1628
047f5f3524f7f41b6b8c7df4fa05779f.exe:948
services395.exe:448
services395.exe:256
File activity
The process 047f5f3524f7f41b6b8c7df4fa05779f.exe:948 makes changes in a file system.
The Trojan creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Application Data\Microsoft\services395.exe (601 bytes)
Registry activity
The process 047f5f3524f7f41b6b8c7df4fa05779f.exe:1628 makes changes in a system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "BD 42 B3 7B B0 41 20 D5 94 6C B4 89 DF BF 4E E7"
The process 047f5f3524f7f41b6b8c7df4fa05779f.exe:948 makes changes in a system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "8C 03 C7 0B FA 1D 4B 11 73 43 EE 26 AD 03 51 D1"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
"Adobe Reader Speed Launcher" = "%Documents and Settings%\%current user%\Application Data\Microsoft\services395.exe"
To automatically run itself each time Windows is booted, the Trojan adds the following link to its file to the system registry autorun key:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"Adobe Reader Speed Launcher" = "%Documents and Settings%\%current user%\Application Data\Microsoft\services395.exe"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"Adobe Reader Speed Launcher" = "%Documents and Settings%\%current user%\Application Data\Microsoft\services395.exe"
The process services395.exe:448 makes changes in a system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "AC 61 CB 1C D6 DA C3 23 BB 93 48 33 D1 0E F9 52"
The process services395.exe:256 makes changes in a system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "E4 33 DA D5 A6 E9 97 27 69 45 DD C1 66 63 6D 6A"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
Network activity (URLs)
No activity has been detected.
Rootkit activity
The Trojan installs the following user-mode hooks in dnsapi.dll:
DnsQuery_A
DnsQuery_W
The Trojan installs the following user-mode hooks in ADVAPI32.dll:
RegSetValueExA
RegCreateKeyExA
RegSetValueExW
RegCreateKeyExW
The Trojan installs the following user-mode hooks in WS2_32.dll:
send
The Trojan installs the following user-mode hooks in kernel32.dll:
CreateFileW
CreateFileA
The Trojan installs the following user-mode hooks in ntdll.dll:
NtResumeThread
NtQueryDirectoryFile
NtEnumerateValueKey
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 Trojan'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*
- Scan a system with an anti-rootkit tool.
- Terminate malicious process(es) (How to End a Process With the Task Manager):
047f5f3524f7f41b6b8c7df4fa05779f.exe:1628
047f5f3524f7f41b6b8c7df4fa05779f.exe:948
services395.exe:448
services395.exe:256 - Delete the original Trojan file.
- Delete or disinfect the following files created/modified by the Trojan:
%Documents and Settings%\%current user%\Application Data\Microsoft\services395.exe (601 bytes)
- Delete the following value(s) in the autorun key (How to Work with System Registry):
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"Adobe Reader Speed Launcher" = "%Documents and Settings%\%current user%\Application Data\Microsoft\services395.exe"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"Adobe Reader Speed Launcher" = "%Documents and Settings%\%current user%\Application Data\Microsoft\services395.exe" - Find and delete all copies of the worm's file together with "autorun.inf" scripts on removable drives.
- Reboot the computer.