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nscde.tmp

The file nscde.tmp has been detected as a potentially unwanted program by 6 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 s3.amazonaws.com. While running, it connects to the Internet address server-54-230-52-85.jfk6.r.cloudfront.net on port 80 using the HTTP protocol.
MD5:
08a075f01a6f2f4ac3ffd6f60602de77

SHA-1:
a814a47ee46cdf4a399c62ac7e036972497c0b81

SHA-256:
38c1083f8a7e43afd804064350b3ae3e53b8ca9c670fc35aea0d6d160a7f7c39

Scanner detections:
6 / 68

Status:
Potentially unwanted

Analysis date:
4/19/2024 12:19:19 PM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.VOPackage
2015.10.16

Arcabit
PUP.Adware.ConvertAd
1.0.0.582

Baidu Antivirus
Adware.Win32.Vopak
4.0.3.151117

Kaspersky
not-a-virus:AdWare.Win32.Vopak
14.0.0.1106

Panda Antivirus
Generic Suspicious
15.11.17.05

Qihoo 360 Security
QVM42.0.Malware.Gen
1.0.0.1077

File size:
124.5 KB (127,490 bytes)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:ugXdZt9P6D3XJMFFbaPYBRxBcdoOa2RTKbg7LUuyEdo4sV:ue34+haPYBRLcd3auLL7LO

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

https://s3.amazonaws.com/cf_vopackage/.../SearchUpdater.exe

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

TCP (HTTP):
Connects to server-54-230-52-85.jfk6.r.cloudfront.net  (54.230.52.85:80)

TCP (HTTP):
Connects to ec2-52-1-45-42.compute-1.amazonaws.com  (52.1.45.42:80)

TCP (HTTP):
Connects to ec2-107-21-122-166.compute-1.amazonaws.com  (107.21.122.166:80)

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