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mrt.exe

www.SamLab.ws

The application mrt.exe by www.SamLab.ws has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. It is also typically executed from the user's temporary directory.
Publisher:
www.SamLab.ws  (signed and verified)

MD5:
1a490e1d56790facb6764e479701b99f

SHA-1:
412bf99ef75b7bcb223e5b9264569425536a3ba1

SHA-256:
8d190e481a906169089d4820ab80194e084d586f2f6ac8a095fe5d49a94e4445

Scanner detections:
1 / 68

Status:
Potentially unwanted

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
4/19/2024 9:40:32 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.wwwSamLabws.Installer (M)
16.2.6.10

File size:
16.3 MB (17,077,608 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\soft\mrt.exe

Digital Signature
Signed by:
www.SamLab.ws

Authority:
www.SamLab.ws

Valid from:
3/8/2013 4:04:50 AM

Valid to:
1/1/2040 4:59:59 AM

Subject:
CN=www.SamLab.ws

Issuer:
CN=www.SamLab.ws

Serial number:
0F1AFC86B8806ABD46FF618899B7F7D9

File PE Metadata
Compilation timestamp:
3/31/2013 2:38:49 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
393216:G2ruo7QPVySByp1m3b2Lhw84jAWVrg/Z7:G2ruo7CfyTQ2yjU/t

Entry address:
0x373C

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 08, 8A, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 80, 40, 00, 53, FF, 15, 88, 82, 40, 00, 6A, 08, A3, D8, 88, 44, 00, E8, AD, 27, 00, 00, 53, 68, 60, 01, 00, 00, A3, E0, 87, 44, 00, 8D, 44, 24, 38, 50, 53, 68, 9B, 8A, 40, 00, FF, 15, 58, 81, 40, 00, 68, 90, 8A, 40, 00, 68, E0, 47, 44, 00, E8, EC, 24, 00, 00, FF, 15, B0, 80, 40, 00, 50, BF, 00, 10, 47, 00, 57, E8, DA, 24, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
24.5 KB (25,088 bytes)

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