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nsybb89.tmp

The file nsybb89.tmp has been detected as a potentially unwanted program by 5 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 d16hr9n7t75k58.cloudfront.net.
MD5:
4666bf1a047177f1165c62a14f2b1b87

SHA-1:
72e2848e8c528b49fbaf601a3279bf36d8358ab6

SHA-256:
dfc5ec4f41a40dad0fcd782d41a6b9ad0765f31260695f4ea35925c24688006a

Scanner detections:
5 / 68

Status:
Potentially unwanted

Analysis date:
4/24/2024 3:01:14 PM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.VOPackage
2015.12.12

ESET NOD32
Win32/Adware.ConvertAd.ADS.gen (variant)
10.12710

McAfee
Artemis!4666BF1A0471
5600.6360

Qihoo 360 Security
HEUR/QVM42.0.Malware.Gen
1.0.0.1077

Reason Heuristics
PUP.ConvertAd.ET (M)
16.6.22.18

File size:
73.2 KB (74,971 bytes)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\nsybb89.tmp

File PE Metadata
Compilation timestamp:
12/6/2009 6:50:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
1536:WpgpHzb9dZVX9fHMvG0D3XJAvllCeR7zLdyVZCr7pLgo41ahfq:8gXdZt9P6D3XJClHxyZypLgo4s0

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...
 
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Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file nsybb89.tmp has been seen being distributed by the following URL.

http://d16hr9n7t75k58.cloudfront.net/827e2378501d93ff83be6b2b1e5790eb.exe

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