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sykc278.exe

SilentInstaller

The application sykc278.exe has been detected as a potentially unwanted program by 29 anti-malware scanners. This is a setup and installation application, 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. While running, it connects to the Internet address ju171.jupiter.fastwebserver.de on port 80 using the HTTP protocol.
Product:
SilentInstaller

Version:
1.0.0.1

MD5:
f93a64932782479a96b698b73feae2f1

SHA-1:
7aaff10902efd3741210800b1eefa63dc150b0d4

SHA-256:
6a4cbf2cdfeac818132a0039b2b15a5a6a35c88b7fb8ba5e9f36ba851fcbf758

Scanner detections:
29 / 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:
4/23/2024 10:02:42 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Trojan.GenericKD.2655393
501

Agnitum Outpost
Trojan.DR.MSIL
7.1.1

Avira AntiVirus
TR/Dropper.MSIL.Gen
8.3.1.6

Arcabit
Trojan.Generic.D2884A1
1.0.0.527

avast!
Win32:Malware-gen
2014.9-150921

AVG
MSIL8
2016.0.2979

Bitdefender
Trojan.GenericKD.2655393
1.0.20.1320

Bkav FE
W32.KedtiN.Trojan
1.3.0.7133

Comodo Security
ApplicUnwnt
23234

Dr.Web
Trojan.Crossrider1.48337
9.0.1.0264

ESET NOD32
MSIL/Adware.Imali (variant)
9.12250

Fortinet FortiGate
Adware/Agent
9/21/2015

F-Secure
Trojan.GenericKD.2655393
11.2015-21-09_2

G Data
Trojan.GenericKD.2655393
15.9.25

herdProtect (fuzzy)
variant of sdf73b9.exe (Adware)
2015.10.3.21

IKARUS anti.virus
AdWare.MSIL.Imali
t3scan.1.9.5.0

K7 AntiVirus
Adware
13.210.17208

Kaspersky
not-a-virus:AdWare.MSIL.Agent
14.0.0.1392

McAfee
RDN/Generic.dx
5600.6635

MicroWorld eScan
Trojan.GenericKD.2655393
16.0.0.792

NANO AntiVirus
Riskware.Win32.MLW.dvumpd
0.30.24.3283

nProtect
Trojan.GenericKD.2655393
15.09.14.01

Panda Antivirus
Trj/CI.A
15.09.21.12

Qihoo 360 Security
HEUR/QVM03.0.Malware.Gen
1.0.0.1015

Sophos
Generic PUA HK (PUA)
4.98

SUPERAntiSpyware
Adware.Kazy/Variant
9616

Trend Micro
TROJ_GEN.R0EBC0PHT15
10.465.21

VIPRE Antivirus
Trojan.Win32.Generic
43748

Zillya! Antivirus
Adware.Agent.Win32.73264
2.0.0.2398

File size:
329 KB (336,896 bytes)

Product version:
1.0.0.1

Copyright:
Copyright © 2014

Original file name:
SilentInstaller_dotnet2.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\sykc278.exe

File PE Metadata
Compilation timestamp:
8/18/2015 1:34:55 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
6144:N1PrKbFZT8qbTR7SquD4L8vioH/X8i9DLnHWcefjVo8bS5Vghmek7LvyL:N1rKRZwgVxGq86oH/MKvnolgg4ek7js

Entry address:
0x530CE

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
7.8250

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
324.5 KB (332,288 bytes)

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

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

TCP (HTTP):
Connects to server-52-85-83-100.lax1.r.cloudfront.net  (52.85.83.100:80)

TCP (HTTP):
Connects to server-52-85-83-225.lax1.r.cloudfront.net  (52.85.83.225:80)

TCP (HTTP):
Connects to server-52-84-246-157.sfo20.r.cloudfront.net  (52.84.246.157:80)

TCP (HTTP):
Connects to server-52-84-246-100.sfo20.r.cloudfront.net  (52.84.246.100:80)

TCP (HTTP):
Connects to cnhk01.proinity.net  (209.58.185.108:80)

TCP (HTTP):
Connects to server-52-84-126-65.iad16.r.cloudfront.net  (52.84.126.65:80)

TCP (HTTP):
Connects to ju171.jupiter.fastwebserver.de  (89.163.148.171:80)

TCP (HTTP):
Connects to brsp01.proinity.net  (169.57.142.124:80)

TCP (HTTP):
Connects to server-54-192-29-152.dub2.r.cloudfront.net  (54.192.29.152:80)

TCP (HTTP):
Connects to server-54-192-203-99.fra50.r.cloudfront.net  (54.192.203.99:80)

TCP (HTTP):
Connects to server-54-192-203-33.fra50.r.cloudfront.net  (54.192.203.33:80)

TCP (HTTP):
Connects to server-52-84-230-7.sfo9.r.cloudfront.net  (52.84.230.7:80)

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