TrojanSpy.Win32.LOKI.HA
Trojan:Win32/Occamy.C (Microsoft), HEUR:Backdoor.Win32.Agent.gen (Kaspersky)
Windows
Threat Type: Trojan Spy
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
Downloaded from the Internet, Dropped by other malware
This Trojan Spy arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It gathers certain information on the affected computer.
It deletes itself after execution.
TECHNICAL DETAILS
695,296 bytes
EXE
Yes
Drops files, Modifies system registry, Connects to URLs/IPs
Arrival Details
This Trojan Spy arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Installation
This Trojan Spy adds the following folders:
- %Application Data%\{substring from hash of machine GUID}
(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming on Windows Vista, 7, and 8.)
It drops the following files:
- %Application Data%\{substring from hash of machine GUID}\{substring from hash of machine GUID}.lck - used for resource locking
(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming on Windows Vista, 7, and 8.)
It drops the following copies of itself into the affected system:
- %Application Data%\{substring from hash of machine GUID}\{substring from hash of machine GUID}.exe
(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming on Windows Vista, 7, and 8.)
It adds the following mutexes to ensure that only one of its copies runs at any one time:
- {hash of machine GUID}
Other System Modifications
This Trojan Spy adds the following registry keys:
HKEY_CURRENT_USER\http://decreplace.eu/a1-new/fre.php
It also creates the following registry entry(ies) as part of its installation routine:
HKEY_CURRENT_USER\http://decreplace.eu/a1-new/fre.php
{substring from hash of machine GUID} = %Application Data%\{substring from hash of machine GUID}\{substring from hash of machine GUID}.exe
Information Theft
This Trojan Spy gathers the following information on the affected computer:
- User name
- Computer name
- Machine GUID
It attempts to steal stored account information used in the following installed File Transfer Protocol (FTP) clients or file manager software:
- 32BitFtp
- ALFTP
- BitKinex
- Bitvise SSH
- BlazeFtp
- ClassicFTP
- Cyberduck
- EasyFTP
- ExpanDrive
- Far
- Far2
- Far Manager
- FileZilla
- FlashFXP
- Fling
- FreshFTP
- FTPBox
- FTPGetter
- FTPInfo
- FTP Navigator
- FTP Now
- FTPShell
- fullsync
- DeluxeFTP
- GoFTP
- JaSFtp
- AbleFTP
- Automize
- LinasFTP
- MyFTP
- NetDrive
- NetDrive2
- Fastream NETFile
- NexusFile
- NovaFTP
- Notepad++ NppFTP
- Odin Secure FTP Expert
- PuTTY
- KiTTY
- SecureFX
- SftpNetDrive
- sherrod FTP
- SmartFTP
- Staff-FTP
- Steed
- SuperPutty
- Syncovery
- Total Commander
- UltraFXP
- WinFtp Client
- FSProtocol
- WinSCP
- WS_FTP
- Ipswitch
- Xftp
It attempts to steal stored email credentials from the following:
- Thunderbird
- Postbox
- FossaMail
- Foxmail
- IncrediMail
- Outlook
It attempts to get stored information such as user names, passwords, and hostnames from the following browsers:
- 360Browser
- ChromePlus
- Comodo Dragon
- Chrome
- Nichrome
- Rockmelt
- Spark
- Chromium
- Titan Browser
- Torch
- YandexBrowser
- Epic Privacy Browser
- CocCoc
- Vivaldi
- Chromodo
- Superbird
- Coowon
- Mustang Browser
- 360Browser
- Citrio
- Chrome SxS
- Orbitum
- Iridium
- Opera
- ChromiumViewer
- Internet Explorer
- Firefox
- SeaMonkey
- Flock Browser
- K-Meleon
- IceDragon
- BlackHawk
- Cyberfox
- Pale Moon
- Lunascape6
- Waterfox
- QtWeb
- QupZilla
- Safari
Stolen Information
This Trojan Spy sends the gathered information via HTTP POST to the following URL:
- http://{BLOCKED}lace.eu/a1-new/fre.php
Other Details
This Trojan Spy deletes itself after execution.
SOLUTION
9.850
14.736.04
07 Jan 2019
14.737.00
08 Jan 2019
Step 1
Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.
Step 2
Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.
Step 3
Identify and terminate files detected as TrojanSpy.Win32.LOKI.HA
- Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
- If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
- If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.
Step 4
Delete this registry key
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_CURRENT_USER\
- {substring from hash of machine GUID} = %Application Data%\{substring from hash of machine GUID}\{substring from hash of machine GUID}.exe
Step 5
Search and delete this folder
- %Application Data%\{substring from hash of machine GUID}
Step 6
Scan your computer with your Trend Micro product to delete files detected as TrojanSpy.Win32.LOKI.HA. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check the following Trend Micro Support pages for more information:
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