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trolatuntuninstall.exe

The application trolatuntuninstall.exe has been detected as adware by 8 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages.
MD5:
91d929e80955575246d0205705870986

SHA-1:
a766ef68e916fec308c96a9894d6a8b3d78ffabb

SHA-256:
a1cbc2a799d2b16462ad35706c9e26e22341b8a01675db3cb97a68c69ccb3135

Scanner detections:
8 / 68

Status:
Adware

Explanation:
This is the installer/uninstaller for the Yontoo branded (trolatunt) adware program. The main protgram is desigend to deliver advertisements to the user's web browser through injection.

Analysis date:
4/25/2024 5:25:39 AM UTC  (today)

Scan engine
Detection
Engine version

AegisLab AV Signature
AdWare.W32.Agent
2.1.4+

avast!
BrowseFox-B [PUP]
141025-0

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141025

ESET NOD32
Win32/BrowseFox.C potentially unwanted application
7.0.302.0

Malwarebytes
PUP.Optional.Trolatunt.A
v2014.10.25.06

Reason Heuristics
Adware.Yontoo.S
14.10.25.17

SUPERAntiSpyware
Adware.BrowseFox/Variant
10277

VIPRE Antivirus
Threat.4150696
34232

File size:
233.7 KB (239,265 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\Program Files\trolatunt\trolatuntuninstall.exe

File PE Metadata
Compilation timestamp:
12/5/2009 5:52:01 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:MZ+11VtPec/1RWBT5VS3DYoo87+YOyM3B03Zm/G/Hchq:ZtN1s15V0YXB0s/G/8w

Entry address:
0x30CB

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 38, 6F, 44, 00, E8, F1, 2B, 00, 00, A3, 84, 6E, 44, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, 9C, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 2E, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, F0, 46, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9117

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

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