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nsz981a.tmp

The file nsz981a.tmp has been detected as a potentially unwanted program by 4 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 d3jydz90x0ejp8.cloudfront.net.
MD5:
f0d4be700ac7c46854db25aa6f9d454b

SHA-1:
ed2b97b9ee3ad9254690d56dd6c1f230a90f1d07

SHA-256:
ed4cde8afa92a853431f46480bdf01229e35dfb83a670669f8f4e6eb8be865b5

Scanner detections:
4 / 68

Status:
Potentially unwanted

Analysis date:
11/23/2024 11:09:36 AM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
Adware.Win32.ConvertAd
4.0.3.1557

ESET NOD32
Win32/Adware.ConvertAd.FC
9.11581

Qihoo 360 Security
HEUR/QVM42.0.Malware.Gen
1.0.0.1015

Trend Micro House Call
Suspicious_GEN.F47V0406
7.2.127

File size:
379.8 KB (388,887 bytes)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\nsz981a.tmp

File PE Metadata
Compilation timestamp:
12/5/2009 2:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:Ie344yyJ/TEtt2NB6+snsNRTUFgUdoS0xhX2XyTytt2NBplEpal7m3tSdlssND:7yyJbEWfXsnsNRTqgm30xh++yWfmamtA

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:
7.9625

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file nsz981a.tmp has been seen being distributed by the following URL.

http://d3jydz90x0ejp8.cloudfront.net/SFSetup.exe

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