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nsy504b.tmp

File Downloader

The file nsy504b.tmp by File Downloader has been detected as adware by 17 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The installer uses the InstallMonetizer platform which will donwload and install adware toolbars and other potentially unwanted software offers during setup. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from www.codec13sudha.com.
Publisher:
File Downloader  (signed and verified)

MD5:
365ec49dc4b6d6f81d650250ab3340f0

SHA-1:
c1dc289339100b180cc5f5f88f65afa3c9fb69d7

SHA-256:
f0357957c2118fed5fe40f6a5867f1822da441e1c612eddac97e165b1067ef3e

Scanner detections:
17 / 68

Status:
Adware

Explanation:
Uses the InstallMonetizer distribution platform to bundle adware.

Analysis date:
12/24/2024 3:11:55 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
APPL/Downloader.Gen
7.11.209.134

AVG
Generic
2016.0.3202

Baidu Antivirus
PUA.Win32.VMDetector
4.0.3.15211

Dr.Web
Adware.Downware.918
9.0.1.042

ESET NOD32
Win32/InstallMonetizer.BD potentially unwanted
9.11160

G Data
Win32.Adware.InstallMonetizer
15.2.25

K7 AntiVirus
Trojan
13.194.14938

Malwarebytes
Riskware.Vmdetector
v2015.02.11.11

McAfee
Artemis!365EC49DC4B6
5600.6858

NANO AntiVirus
Trojan.Nsis.Downloader.djhpgw
0.30.0.65070

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

Reason Heuristics
PUP.FileDownloader
15.2.14.11

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.15209

Sophos
AppMonetizer Installer
4.98

SUPERAntiSpyware
Trojan.Agent/Gen-Agent
10060

Trend Micro House Call
Suspicious_GEN.F47V0211
7.2.42

VIPRE Antivirus
InstallMonetizer
37446

File size:
330 KB (337,936 bytes)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\nsy504b.tmp

Digital Signature
Signed by:
File Downloader

Authority:
COMODO CA Limited

Valid from:
9/9/2014 8:00:00 PM

Valid to:
9/10/2015 7:59:59 PM

Subject:
CN=File Downloader, OU=Weather Ping, O=File Downloader, STREET=5655 Silver Creek Valley Road, L=San Jose, S=CA, PostalCode=95138, C=US

Issuer:
CN=COMODO RSA Code Signing CA, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
6C4833E98E5E20FEC258194CE08B6826

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:YFJ06AeUeFe2QwqRD7pJ59ECadigTZXwVCTtZ4rt5q2pd5A8WwFhu:+A8bnqZ7pBAdZXwVC/4rbJd5A8Tu

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, 1C, 45, 00, E8, F1, 2B, 00, 00, A3, 64, 1B, 45, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 37, 43, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, DB, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, A0, 47, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9081

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file nsy504b.tmp has been seen being distributed by the following URL.

http://www.codec13sudha.com/download.php?l4J9dw==

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