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unbound_setup_1.5.3.exe

Unbound

NLnet Labs

The executable unbound_setup_1.5.3.exe, “(un)install the unbound DNS resolver” has been detected as malware by 2 anti-virus scanners. The program is a setup application that uses the Nullsoft 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 unbound.net and multiple other hosts.
Publisher:
NLnet Labs

Product:
Unbound

Description:
(un)install the unbound DNS resolver

Version:
1.5.3.0

MD5:
7d5d8e19d5bcfd95df08bc9097da4722

SHA-1:
4e8887474b41b78619d9580d2ab6a2dfba3ed8de

SHA-256:
fba37526acdcc7944d5cd4f644c57405d13fb37c3e2406c18893d054fb7cdb67

Scanner detections:
2 / 68

Status:
Malware

Explanation:
This is part of the Crossrider Internet browser extension framework which may modify the user's web browser settings including changing the home and search pages.

Note:
Crossrider is the owner of a platform that enables the creation of cross-browser extensions by developers but is not the owner of this detected application.

Analysis date:
4/19/2024 7:35:52 AM UTC  (today)

Scan engine
Detection
Engine version

Bkav FE
HW32.Packed
1.3.0.6379

Reason Heuristics
Threat.Win.Reputation.IMP
16.12.3.13

File size:
2 MB (2,053,899 bytes)

Product version:
1.5.3.0

Copyright:
Copyright 2009, NLnet Labs

File type:
Executable application (Win32 EXE)

Installer:
Nullsoft Install System

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\unbound_setup_1.5.3.exe

File PE Metadata
Compilation timestamp:
8/6/2013 3:15:02 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.23

CTPH (ssdeep):
49152:N5z0uVa8SrTvPE056NriLwB2zxLGKChgHLdk7WUOBxZI:Na9j8iLi2zPCAZkCUgQ

Entry address:
0x433F

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, 9C, 01, 00, 00, FF, 15, 74, A3, 42, 00, C7, 04, 24, 01, 80, 00, 00, FF, 15, 58, A4, 42, 00, 53, C7, 04, 24, 00, 00, 00, 00, FF, 15, 98, A4, 42, 00, 56, C7, 04, 24, 08, 00, 00, 00, A3, 40, 8B, 42, 00, E8, 4D, 3C, 00, 00, A3, 9C, 8B, 42, 00, 8D, 85, 88, FE, FF, FF, 57, C7, 44, 24, 10, 00, 00, 00, 00, C7, 44, 24, 0C, 60, 01, 00, 00, 89, 44, 24, 08, C7, 44, 24, 04, 00, 00, 00, 00, C7, 04, 24, 01, B3, 40, 00, FF, 15, AC, A4, 42, 00, 83, EC, 14, C7, 44, 24, 04, 02, B3, 40, 00, C7...
 
[+]

Code size:
34.5 KB (35,328 bytes)

The file unbound_setup_1.5.3.exe has been seen being distributed by the following 2 URLs.

http://unbound.net/.../unbound_setup_1.5.3.exe

https://unbound.net/.../unbound_setup_1.5.3.exe

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