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nsv934d.tmp

The file nsv934d.tmp has been detected as a potentially unwanted program by 11 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. While running, it connects to the Internet address cdn-208-111-161-254.iad.llnw.net on port 80 using the HTTP protocol.
MD5:
237dd80acce4b2b12ba379ca3efa5662

SHA-1:
9235925b9ca9a6e76a143e55d35b03cfdb9dad91

SHA-256:
40eb85cef1c0baeeb6f4965151e38b078ee2a8b1504755691c063086d427ae4a

Scanner detections:
11 / 68

Status:
Potentially unwanted

Analysis date:
4/18/2024 1:36:13 AM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
Adware.Win32.Downloader
4.0.3.1571

ESET NOD32
Win32/Adware.ConvertAd.RK (variant)
9.11786

Kaspersky
Trojan-Downloader.Win32.Genome
14.0.0.1803

McAfee
Artemis!237DD80ACCE4
5600.6718

Panda Antivirus
Trj/CI.A
15.07.01.10

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

Sophos
Mal/Generic-S
4.98

SUPERAntiSpyware
Trojan.Agent/Gen-FakeAlert
9838

Trend Micro House Call
TROJ_GEN.R021H05F915
7.2.182

Vba32 AntiVirus
suspected of Trojan.Downloader.gen
3.12.26.4

VIPRE Antivirus
Trojan.Win32.Generic
41148

File size:
132.5 KB (135,665 bytes)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\nsv934d.tmp

File PE Metadata
Compilation timestamp:
12/5/2009 11:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:agXdZt9P6D3XJ7C97jwMcYbNZemBB1PwwlR6BV1z77DO9o4sme:ae344tT3HBB1owuDkte

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 nsv934d.tmp has been seen being distributed by the following URL.

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

The executing file has been seen to make the following network communication in live environments.

TCP (HTTP):
Connects to cdn-208-111-161-254.iad.llnw.net  (208.111.161.254:80)

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