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nsu2fa9.tmp

The file nsu2fa9.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 d3jydz90x0ejp8.cloudfront.net.
MD5:
0203f0b7daf86700db3471e6ab1eaa82

SHA-1:
35860941e46d7cccb8942ec1ac55281ba697e5d0

SHA-256:
4d5dcf67b001b0a7c15e6e783cee232a28eb0c1b20d44c97796bba28e1ef8c8b

Scanner detections:
5 / 68

Status:
Potentially unwanted

Analysis date:
11/23/2024 10:44:24 AM UTC  (today)

Scan engine
Detection
Engine version

Clam AntiVirus
Win.Adware.Convertad-10
0.98/21511

Kaspersky
Trojan-Downloader.Win32.Genome
14.0.0.61

Panda Antivirus
Generic Suspicious
16.06.13.06

Qihoo 360 Security
HEUR/QVM42.1.Malware.Gen
1.0.0.1015

Reason Heuristics
Adware.Downloader.KY (M)
16.6.13.18

File size:
66.9 KB (68,522 bytes)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\nsu2fa9.tmp

File PE Metadata
Compilation timestamp:
12/5/2009 3:50:35 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
1536:UoLDYsacy7mHMowHjXJPozYqeib4Dyre/r2HEipOyn:UoPyys5jXJgzjHbcyreTSR3

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...
 
[+]

Entropy:
7.4694

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file nsu2fa9.tmp has been seen being distributed by the following URL.

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

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