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nst15f8.tmp

The file nst15f8.tmp has been detected as a potentially unwanted program by 9 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. It is built using the Crossrider cross-browser extension platform. While the file utilizes the Crossrider framework and delivery services, it is not owned by Crossrider. The file has been seen being downloaded from x93b4cui-03bqrjm1.netdna-ssl.com.
Version:
2.11.11010.763

MD5:
f50ed52135a2f3840a6514c64e48ffc3

SHA-1:
c60cce1dd25983a8c0990b4928d210a9e156fbdd

SHA-256:
27f1076b6fb0b84c9dcf2ea876eb215d96bb6882fe33d9821f1f8b4519949e6a

Scanner detections:
9 / 68

Status:
Potentially unwanted

Explanation:
The software may change the browser's home page and search provider settings as well as display advertisements.

Analysis date:
12/25/2024 1:51:02 AM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
Trojan/Win32.Crossrider
2015.09.11

Arcabit
PUP.Adware.Shopro
1.0.0.525

avast!
Crossrider-Z [PUP]
150828-0

Baidu Antivirus
Adware.Win32.SpeedBit
4.0.3.15910

ESET NOD32
Win32/SpeedBit.G potentially unwanted application
7.0.302.0

G Data
NSIS.Application.Crypted
15.9.25

NANO AntiVirus
Trojan.Nsis.Agent.dmgbnp
0.30.24.3283

SUPERAntiSpyware
Trojan.Agent/Gen-Dialer
9637

Vba32 AntiVirus
TrojanDropper.Agent
3.12.26.4

File size:
1.1 MB (1,190,907 bytes)

Product version:
2.11.11010.763

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\nst15f8.tmp

File PE Metadata
Compilation timestamp:
5/11/2014 1:03:36 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:nqGo27ghtm0q1NKVrVWKh+72R6H2x3rO4C7sgMDrYBc:qGl8mLuVVHh6pO3rI7FMv

Entry address:
0x3217

Entry point:
81, EC, 84, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 89, 5C, 24, 20, C6, 44, 24, 14, 20, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 8C, 72, 40, 00, 6A, 08, A3, 98, 37, 42, 00, E8, AD, 2D, 00, 00, A3, E4, 36, 42, 00, 53, 8D, 44, 24, 38, 68, 60, 01, 00, 00, 50, 53, 68, A0, EC, 41, 00, FF, 15, 64, 71, 40, 00, 68, E4, 91, 40, 00, 68, E0, 2E, 42, 00, E8, 57, 2A, 00, 00, FF, 15, B0, 70, 40, 00, BD, 00, 90, 42, 00, 50, 55, E8, 45, 2A...
 
[+]

Entropy:
7.9947

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file nst15f8.tmp has been seen being distributed by the following URL.

https://x93b4cui-03bqrjm1.netdna-ssl.com/.../braieftp_ftpbl_setup.exe

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