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browser_update.exe

The application browser_update.exe 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, however the file is not signed with an authenticode signature from a trusted source. The file has been seen being downloaded from ttb.yourplayersetup.com.
MD5:
f56003fce9c284481d3532d72072b887

SHA-1:
13995d49c440e88e8c9ff12fc9d63aa134097ca6

SHA-256:
452a4f3e7eb1837c723b2637822c43889d5cc2a442e9da650e0d140741366b82

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
4/26/2024 3:19:03 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Tuguu.Updater.Installer.Meta (M)
15.12.14.13

File size:
312.3 KB (319,744 bytes)

File type:
Executable application (Win16 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\browser_update.exe

File PE Metadata
Compilation timestamp:
7/14/2013 4:09:38 PM

OS version:
4.0

OS bitness:
Win16

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:0+K0zo6YpSSShM7g2rjx85GPRV94CsTAdyYmN6SgdtPu24cb9sYNK:lzLSFs+jxEkV9UsdyYmwjm279VK

Entry address:
0x30DC

Entry point:
81, EC, 84, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 90, 91, 40, 00, 89, 5C, 24, 20, C6, 44, 24, 14, 20, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 8C, 72, 40, 00, 6A, 08, A3, 78, 3F, 42, 00, E8, 73, 2D, 00, 00, A3, C4, 3E, 42, 00, 53, 8D, 44, 24, 38, 68, 60, 01, 00, 00, 50, 53, 68, 80, F4, 41, 00, FF, 15, 64, 71, 40, 00, 68, 80, 91, 40, 00, 68, C0, 36, 42, 00, E8, 1D, 2A, 00, 00, FF, 15, 1C, 71, 40, 00, BD, 00, 90, 42, 00, 50, 55, E8, 0B, 2A...
 
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Entropy:
7.8786

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file browser_update.exe has been seen being distributed by the following URL.

http://ttb.yourplayersetup.com/download/request/.../Q7Dj5qzo?ClickID=461--412--1382630384.5459&PubID=${VURLID}&cb=c6d5722675

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