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b2wr.exe

The application b2wr.exe has been detected as a potentially unwanted program by 2 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 d2htwdv930b0cg.cloudfront.net.
MD5:
060d720a78859eb4056e7b94e1fae5c6

SHA-1:
ae8a81f702d8a358f44f7373438bf83d5c1eb3c0

SHA-256:
f32d7dbfdaf0e183b181a5def9047e25e8f0ed22edfd9e3cc3aff11d6a561915

Scanner detections:
2 / 68

Status:
Potentially unwanted

Analysis date:
4/23/2024 5:15:46 AM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
Win32/Adware.ConvertAd.AER.gen application
7.0.302.0

Reason Heuristics
PUP.ConvertAd
16.2.6.14

File size:
76.2 KB (78,025 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\b2wr.exe

File PE Metadata
Compilation timestamp:
12/5/2009 11:50:35 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
1536:1oLDYsacy7mHMowHjXJrIVGV3pfnnxXktoi5usJFlhdYm:1oPyys5jXJ8VGFpf6oi5R3h1

Entry address:
0x323F

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 98, 27, 7A, 00, E8, 09, 2C, 00, 00, A3, E4, 26, 7A, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, DC, 79, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, E0, 1E, 7A, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 80, 7A, 00, 50, 57, E8, AA, 28, 00, 00...
 
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Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file b2wr.exe has been seen being distributed by the following URL.

http://d2htwdv930b0cg.cloudfront.net/b2wr.exe

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