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tiwr.exe

The application tiwr.exe has been detected as a potentially unwanted program by 3 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. The file has been seen being downloaded from d1mdi78qyff344.cloudfront.net.
MD5:
26f6fb12a345cb420d92c25e75abc93e

SHA-1:
3c3e98cae4f38444fd21a73466cddfc744978bd4

SHA-256:
d00a59ec9d113fe0f44cc91c3b9107dbd0e021a4ef51cd2ece0d28b91ff70aac

Scanner detections:
3 / 68

Status:
Potentially unwanted

Analysis date:
4/26/2024 5:15:42 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Evo-gen [Susp]
160503-1

ESET NOD32
Win32/Adware.ConvertAd.ADS.gen application
8.0.319.0

Reason Heuristics
PUP.ConvertAd.ET (M)
16.6.22.20

File size:
69.2 KB (70,877 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\tiwr.exe

File PE Metadata
Compilation timestamp:
12/6/2009 4:20:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
1536:+pgpHzb9dZVX9fHMvG0D3XJijowshykCpGgsKCWlLW7fo41ahf0:EgXdZt9P6D3XJijoXhV3Kx4fo4s+

Entry address:
0x30FA

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, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.4481

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://d1mdi78qyff344.cloudfront.net/tiwr.exe

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